diff --git a/bdfr/__main__.py b/bdfr/__main__.py
index 4d12cad..ef90abe 100644
--- a/bdfr/__main__.py
+++ b/bdfr/__main__.py
@@ -26,7 +26,11 @@ _common_options = [
     click.option("--file-scheme", default=None, type=str),
     click.option("--filename-restriction-scheme", type=click.Choice(("linux", "windows")), default=None),
     click.option("--folder-scheme", default=None, type=str),
-    click.option("--strip-unicode/--no-strip-unicode", default=None, help="Strip Unicode characters that cause Windows SMB issues (default: enabled)"),
+    click.option(
+        "--strip-unicode/--no-strip-unicode",
+        default=None,
+        help="Strip Unicode characters that cause Windows SMB issues (default: enabled)",
+    ),
     click.option("--ignore-user", type=str, multiple=True, default=None),
     click.option("--include-id-file", multiple=True, default=None),
     click.option("--log", type=str, default=None),
@@ -54,7 +58,12 @@ _downloader_options = [
     click.option("--max-wait-time", type=int, default=None),
     click.option("--no-dupes", is_flag=True, default=None),
     click.option("--search-existing", is_flag=True, default=None),
-    click.option("--simple-check", is_flag=True, default=None, help="Enable fast URL-based duplicate checking (works with --no-dupes)"),
+    click.option(
+        "--simple-check",
+        is_flag=True,
+        default=None,
+        help="Enable fast URL-based duplicate checking (works with --no-dupes)",
+    ),
     click.option("--skip", default=None, multiple=True),
     click.option("--skip-domain", default=None, multiple=True),
     click.option("--skip-subreddit", default=None, multiple=True),
diff --git a/bdfr/api.py b/bdfr/api.py
index f5dd528..019c3a5 100644
--- a/bdfr/api.py
+++ b/bdfr/api.py
@@ -25,12 +25,12 @@ from typing import Any, Dict, List, Optional, Union
 
 import prawcore
 
+from bdfr import exceptions as errors
+from bdfr.archiver import Archiver
+from bdfr.cloner import RedditCloner
 from bdfr.configuration import Configuration
 from bdfr.connector import RedditConnector
 from bdfr.downloader import RedditDownloader
-from bdfr.archiver import Archiver
-from bdfr.cloner import RedditCloner
-from bdfr import exceptions as errors
 
 logger = logging.getLogger(__name__)
 
@@ -84,7 +84,9 @@ def retry_reddit_api_call(api_call_func: Callable, max_retries: int = 5, base_wa
                 raise Exception(f"Reddit API rate limited after {max_retries + 1} attempts: {e}")
 
             # Wait before retrying
-            logger.info(f"Reddit API rate limited, waiting {current_wait_time} seconds before retry {attempt + 1}/{max_retries}")
+            logger.info(
+                f"Reddit API rate limited, waiting {current_wait_time} seconds before retry {attempt + 1}/{max_retries}"
+            )
             time.sleep(current_wait_time)
 
             # Increase wait time for next attempt (exponential backoff)
@@ -93,6 +95,7 @@ def retry_reddit_api_call(api_call_func: Callable, max_retries: int = 5, base_wa
 
 class DownloadType(Enum):
     """Types of downloads supported by BDFR"""
+
     SUBREDDIT = "subreddit"
     USER = "user"
     MULTIREDDIT = "multireddit"
@@ -103,6 +106,7 @@ class DownloadType(Enum):
 
 class DownloadStatus(Enum):
     """Status of a download operation"""
+
     QUEUED = "queued"
     RUNNING = "running"
     COMPLETED = "completed"
@@ -121,7 +125,7 @@ class ProgressEvent:
         message: str,
         progress: Optional[float] = None,
         data: Optional[Dict[str, Any]] = None,
-        timestamp: Optional[datetime] = None
+        timestamp: Optional[datetime] = None,
     ):
         self.event_type = event_type  # "progress", "status", "error", "completed"
         self.download_id = download_id
@@ -138,7 +142,7 @@ class ProgressEvent:
             "message": self.message,
             "progress": self.progress,
             "data": self.data,
-            "timestamp": self.timestamp.isoformat()
+            "timestamp": self.timestamp.isoformat(),
         }
 
 
@@ -177,8 +181,8 @@ class LoggingCallback(ProgressCallback):
     async def on_error(self, event: ProgressEvent):
         """Log error events"""
         self.logger.error(f"[{event.download_id}] ERROR: {event.message}")
-        if event.data.get('exception'):
-            self.logger.exception(f"[{event.download_id}] Exception details", exc_info=event.data['exception'])
+        if event.data.get("exception"):
+            self.logger.exception(f"[{event.download_id}] Exception details", exc_info=event.data["exception"])
 
     async def on_completed(self, event: ProgressEvent):
         """Log completion events"""
@@ -258,7 +262,7 @@ class BDFRManager:
         download_type: DownloadType,
         name: str,
         config: Optional[Configuration] = None,
-        progress_callbacks: Optional[List[ProgressCallback]] = None
+        progress_callbacks: Optional[List[ProgressCallback]] = None,
     ) -> str:
         """
         Create a new download operation.
@@ -326,7 +330,7 @@ class BDFRManager:
             "items_processed": 0,
             "items_found": 0,
             "current_item": None,
-            "phase": "queued"
+            "phase": "queued",
         }
 
         self.logger.info(f"Created download {download_id} for {download_type.value}: {name}")
@@ -356,11 +360,7 @@ class BDFRManager:
         download_info["start_time"] = datetime.now()
 
         # Create and start download thread
-        download_thread = threading.Thread(
-            target=self._run_download,
-            args=(download_id,),
-            daemon=True
-        )
+        download_thread = threading.Thread(target=self._run_download, args=(download_id,), daemon=True)
         self._download_threads[download_id] = download_thread
         download_thread.start()
 
@@ -375,8 +375,12 @@ class BDFRManager:
         downloader = None
 
         try:
-            self.logger.info(f"[DEBUG] Starting download {download_id} for {download_info['type']}: {download_info['name']}")
-            self.logger.info(f"[DEBUG] Config: subreddit={getattr(config, 'subreddit', None)}, user={getattr(config, 'user', None)}, limit={getattr(config, 'limit', None)}")
+            self.logger.info(
+                f"[DEBUG] Starting download {download_id} for {download_info['type']}: {download_info['name']}"
+            )
+            self.logger.info(
+                f"[DEBUG] Config: subreddit={getattr(config, 'subreddit', None)}, user={getattr(config, 'user', None)}, limit={getattr(config, 'limit', None)}"
+            )
 
             # Create progress event for start
             start_event = ProgressEvent(
@@ -384,11 +388,13 @@ class BDFRManager:
                 download_id,
                 f"Starting {download_info['type']} download: {download_info['name']}",
                 0.0,
-                {"phase": "starting"}
+                {"phase": "starting"},
             )
 
             # Notify callbacks
-            self.logger.info(f"[BDFR-API] Notifying {len(callbacks)} callbacks of progress event for download {download_id}")
+            self.logger.info(
+                f"[BDFR-API] Notifying {len(callbacks)} callbacks of progress event for download {download_id}"
+            )
             asyncio.run(self._notify_callbacks(callbacks, "on_progress", start_event))
 
             # Set up authentication token in config if provided
@@ -411,7 +417,9 @@ class BDFRManager:
                 log_path.parent.mkdir(parents=True, exist_ok=True)
 
             # Determine which BDFR class to use based on configuration
-            self.logger.info(f"[DEBUG] Determining downloader type - submitted={getattr(config, 'submitted', False)}, upvoted={getattr(config, 'upvoted', False)}, saved={getattr(config, 'saved', False)}, format={getattr(config, 'format', 'N/A')}")
+            self.logger.info(
+                f"[DEBUG] Determining downloader type - submitted={getattr(config, 'submitted', False)}, upvoted={getattr(config, 'upvoted', False)}, saved={getattr(config, 'saved', False)}, format={getattr(config, 'format', 'N/A')}"
+            )
 
             try:
                 if config.submitted or config.upvoted or config.saved:
@@ -420,7 +428,7 @@ class BDFRManager:
                     downloader = RedditDownloader(config, [])
                     download_info["operation_type"] = "user_download"
                     self.logger.info(f"[DEBUG] Using RedditDownloader for user data")
-                elif hasattr(config, 'format') and config.format in ["json", "xml", "yaml"]:
+                elif hasattr(config, "format") and config.format in ["json", "xml", "yaml"]:
                     # Archive operation
                     self.logger.info(f"[DEBUG] Creating Archiver for archive operation")
                     downloader = Archiver(config, [])
@@ -447,7 +455,9 @@ class BDFRManager:
             # Mark as completed only if not already failed or cancelled
             if download_info.get("status") not in [DownloadStatus.FAILED.value, DownloadStatus.CANCELLED.value]:
                 self.logger.info(f"[DEBUG] Marking download {download_id} as completed")
-                self.logger.info(f"[DEBUG] Final stats - items_processed: {download_info['items_processed']}, items_found: {download_info['items_found']}")
+                self.logger.info(
+                    f"[DEBUG] Final stats - items_processed: {download_info['items_processed']}, items_found: {download_info['items_found']}"
+                )
                 download_info["status"] = DownloadStatus.COMPLETED.value
                 download_info["progress"] = 100.0
                 download_info["end_time"] = datetime.now()
@@ -460,18 +470,21 @@ class BDFRManager:
                     {
                         "items_processed": download_info["items_processed"],
                         "items_found": download_info["items_found"],
-                        "operation_type": download_info.get("operation_type")
-                    }
+                        "operation_type": download_info.get("operation_type"),
+                    },
                 )
 
                 self.logger.info(f"[DEBUG] Sending completion callback for {download_id}")
                 self.logger.info(f"[BDFR-API] Sending completion event for download {download_id}")
                 asyncio.run(self._notify_callbacks(callbacks, "on_completed", completed_event))
             else:
-                self.logger.info(f"[DEBUG] Skipping completion for {download_id} due to status={download_info.get('status')}")
+                self.logger.info(
+                    f"[DEBUG] Skipping completion for {download_id} due to status={download_info.get('status')}"
+                )
 
         except Exception as e:
             import traceback
+
             # Get full stack trace for debugging
             stack_trace = traceback.format_exc()
 
@@ -479,6 +492,7 @@ class BDFRManager:
             is_rate_limited = False
             try:
                 import prawcore
+
                 TooManyRequests = getattr(prawcore.exceptions, "TooManyRequests", None)
                 if TooManyRequests is not None and isinstance(e, TooManyRequests):
                     is_rate_limited = True
@@ -503,7 +517,11 @@ class BDFRManager:
                 download_id,
                 f"Download failed: {str(e)}",
                 None,
-                {"exception": str(e), "stack_trace": stack_trace, "phase": ("rate_limited" if is_rate_limited else "failed")}
+                {
+                    "exception": str(e),
+                    "stack_trace": stack_trace,
+                    "phase": ("rate_limited" if is_rate_limited else "failed"),
+                },
             )
 
             asyncio.run(self._notify_callbacks(callbacks, "on_error", error_event))
@@ -519,17 +537,19 @@ class BDFRManager:
                     # Close any logging handlers that might be holding file locks
                     logger = logging.getLogger()
                     for handler in logger.handlers[:]:
-                        if hasattr(handler, 'close') and hasattr(handler, 'baseFilename'):
+                        if hasattr(handler, "close") and hasattr(handler, "baseFilename"):
                             # Check if this handler is for our download's log file
-                            if hasattr(config, 'log') and config.log:
-                                handler_path = getattr(handler, 'baseFilename', '')
+                            if hasattr(config, "log") and config.log:
+                                handler_path = getattr(handler, "baseFilename", "")
                                 if handler_path == config.log or handler_path.startswith(str(self.download_directory)):
                                     try:
                                         handler.close()
                                         logger.removeHandler(handler)
                                         self.logger.info(f"[DEBUG] Closed logging handler for {handler_path}")
                                     except Exception as cleanup_error:
-                                        self.logger.warning(f"[DEBUG] Error closing handler {handler_path}: {cleanup_error}")
+                                        self.logger.warning(
+                                            f"[DEBUG] Error closing handler {handler_path}: {cleanup_error}"
+                                        )
                 except Exception as cleanup_error:
                     self.logger.warning(f"[DEBUG] Error during logging cleanup: {cleanup_error}")
 
@@ -549,17 +569,13 @@ class BDFRManager:
                 # Update phase to fetching
                 download_info["phase"] = "fetching_submissions"
                 progress_event = ProgressEvent(
-                    "progress",
-                    download_id,
-                    "Fetching submissions...",
-                    10.0,
-                    {"phase": "fetching_submissions"}
+                    "progress", download_id, "Fetching submissions...", 10.0, {"phase": "fetching_submissions"}
                 )
                 self.logger.info(f"[BDFR-API] Sending progress update for download {download_id}")
                 asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
 
                 # For RedditDownloader, we need to intercept the download process
-                if hasattr(downloader, 'reddit_lists') and hasattr(downloader, '_download_submission'):
+                if hasattr(downloader, "reddit_lists") and hasattr(downloader, "_download_submission"):
                     processed_submissions = 0
 
                     self.logger.info(f"[DEBUG] RedditDownloader has reddit_lists and _download_submission methods")
@@ -567,7 +583,7 @@ class BDFRManager:
                     # Get the limit from config - this is our target/goal for items_found
                     # items_found represents "how many items are available to download (up to limit)"
                     # items_processed represents "how many we've actually processed so far"
-                    limit = getattr(config, 'limit', 100)
+                    limit = getattr(config, "limit", 100)
                     download_info["items_found"] = limit
                     self.logger.info(f"[DEBUG] Set items_found (target) to limit: {limit}")
 
@@ -590,7 +606,9 @@ class BDFRManager:
                                 return
 
                             try:
-                                self.logger.info(f"[DEBUG] Processing submission {submission_count}: {submission.id} from r/{submission.subreddit.display_name}")
+                                self.logger.info(
+                                    f"[DEBUG] Processing submission {submission_count}: {submission.id} from r/{submission.subreddit.display_name}"
+                                )
 
                                 # Update current item being processed
                                 download_info["current_item"] = submission.id
@@ -614,8 +632,8 @@ class BDFRManager:
                                         "current_item_type": "submission",
                                         "current_subreddit": submission.subreddit.display_name,
                                         "items_processed": processed_submissions,
-                                        "items_found": download_info["items_found"]  # Keep showing the limit as target
-                                    }
+                                        "items_found": download_info["items_found"],  # Keep showing the limit as target
+                                    },
                                 )
                                 asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
 
@@ -628,8 +646,12 @@ class BDFRManager:
                                     # Check if this is a rate limiting error that should be retried
                                     error_msg = str(e)
                                     if "429" in error_msg:
-                                        self.logger.warning(f"[DEBUG] Rate limited while processing submission {submission.id}: {e}")
-                                        self.logger.warning(f"[DEBUG] Will continue with next submission instead of failing entire download")
+                                        self.logger.warning(
+                                            f"[DEBUG] Rate limited while processing submission {submission.id}: {e}"
+                                        )
+                                        self.logger.warning(
+                                            f"[DEBUG] Will continue with next submission instead of failing entire download"
+                                        )
                                         continue
                                     else:
                                         # Not a rate limiting error, re-raise
@@ -640,6 +662,7 @@ class BDFRManager:
 
                             except Exception as e:
                                 import traceback
+
                                 error_msg = str(e)
                                 submission_id = submission.id if submission is not None else "unknown"
 
@@ -647,7 +670,9 @@ class BDFRManager:
                                 stack_trace = traceback.format_exc()
 
                                 if "429" in error_msg:
-                                    self.logger.error(f"[DEBUG] Rate limited while processing submission {submission_id}: {e}")
+                                    self.logger.error(
+                                        f"[DEBUG] Rate limited while processing submission {submission_id}: {e}"
+                                    )
                                     self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
                                     # Mark download as failed due to rate limiting
                                     download_info["status"] = DownloadStatus.FAILED.value
@@ -659,7 +684,7 @@ class BDFRManager:
                                         download_id,
                                         f"Rate limited by Reddit API: {e}",
                                         None,
-                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"}
+                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"},
                                     )
                                     asyncio.run(self._notify_callbacks(callbacks, "on_error", error_event))
                                     return
@@ -675,9 +700,11 @@ class BDFRManager:
                     if actual_count < limit:
                         download_info["items_found"] = actual_count
                         self.logger.info(f"[DEBUG] Adjusted items_found from {limit} to actual count {actual_count}")
-                    
-                    self.logger.info(f"[DEBUG] Final progress update - processed {processed_submissions} out of {download_info['items_found']} found")
-                    
+
+                    self.logger.info(
+                        f"[DEBUG] Final progress update - processed {processed_submissions} out of {download_info['items_found']} found"
+                    )
+
                     progress_event = ProgressEvent(
                         "progress",
                         download_id,
@@ -686,26 +713,26 @@ class BDFRManager:
                         {
                             "phase": "completed",
                             "items_processed": processed_submissions,
-                            "items_found": download_info["items_found"]
-                        }
+                            "items_found": download_info["items_found"],
+                        },
                     )
                     asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
 
-                elif hasattr(downloader, 'reddit_lists') and hasattr(downloader, 'write_entry'):
+                elif hasattr(downloader, "reddit_lists") and hasattr(downloader, "write_entry"):
                     # For Archiver, we need to intercept the archiving process
                     processed_items = 0
-                    
+
                     self.logger.info(f"[DEBUG] Archiver detected with reddit_lists and write_entry methods")
-                    
+
                     # Get the limit from config
-                    limit = getattr(config, 'limit', 100)
+                    limit = getattr(config, "limit", 100)
                     download_info["items_found"] = limit
                     self.logger.info(f"[DEBUG] Set items_found (target) to limit: {limit}")
-                    
+
                     # Process items with progress tracking
                     self.logger.info(f"[DEBUG] Starting archiving loop...")
                     actual_count = 0
-                    
+
                     for generator in downloader.reddit_lists:
                         self.logger.info(f"[DEBUG] Processing generator for archiving...")
                         item_count = 0
@@ -714,14 +741,15 @@ class BDFRManager:
                                 continue
                             item_count += 1
                             actual_count += 1
-                            
+
                             if download_info["status"] == DownloadStatus.CANCELLED.value:
                                 self.logger.info(f"Download {download_id} was cancelled")
                                 return
-                            
+
                             try:
                                 # Determine item type
                                 import praw.models
+
                                 if isinstance(item, praw.models.Submission):
                                     item_id = item.id
                                     item_type = "submission"
@@ -729,23 +757,27 @@ class BDFRManager:
                                 elif isinstance(item, praw.models.Comment):
                                     item_id = item.id
                                     item_type = "comment"
-                                    subreddit_name = item.subreddit.display_name if hasattr(item, 'subreddit') else "unknown"
+                                    subreddit_name = (
+                                        item.subreddit.display_name if hasattr(item, "subreddit") else "unknown"
+                                    )
                                 else:
                                     item_id = str(item)
                                     item_type = "item"
                                     subreddit_name = "unknown"
-                                
-                                self.logger.info(f"[DEBUG] Archiving {item_type} {item_count}: {item_id} from r/{subreddit_name}")
-                                
+
+                                self.logger.info(
+                                    f"[DEBUG] Archiving {item_type} {item_count}: {item_id} from r/{subreddit_name}"
+                                )
+
                                 # Update current item being processed
                                 download_info["current_item"] = item_id
                                 download_info["current_item_type"] = item_type
                                 download_info["current_subreddit"] = subreddit_name
-                                
+
                                 # Send progress update for this item
                                 processed_items += 1
                                 progress_percent = 20.0 + (processed_items / max(limit, 1)) * 70.0
-                                
+
                                 progress_event = ProgressEvent(
                                     "progress",
                                     download_id,
@@ -757,11 +789,11 @@ class BDFRManager:
                                         "current_item_type": item_type,
                                         "current_subreddit": subreddit_name,
                                         "items_processed": processed_items,
-                                        "items_found": download_info["items_found"]
-                                    }
+                                        "items_found": download_info["items_found"],
+                                    },
                                 )
                                 asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
-                                
+
                                 # Archive this item with retry mechanism for rate limiting
                                 self.logger.info(f"[DEBUG] Calling write_entry for {item_id}")
                                 try:
@@ -772,34 +804,37 @@ class BDFRManager:
                                     error_msg = str(e)
                                     if "429" in error_msg:
                                         self.logger.warning(f"[DEBUG] Rate limited while archiving item {item_id}: {e}")
-                                        self.logger.warning(f"[DEBUG] Will continue with next item instead of failing entire download")
+                                        self.logger.warning(
+                                            f"[DEBUG] Will continue with next item instead of failing entire download"
+                                        )
                                         continue
                                     else:
                                         # Not a rate limiting error, re-raise
                                         raise
-                                
+
                                 # Update processed count
                                 download_info["items_processed"] = processed_items
-                                
+
                             except Exception as e:
                                 import traceback
+
                                 error_msg = str(e)
-                                item_id = item_id if 'item_id' in locals() else "unknown"
+                                item_id = item_id if "item_id" in locals() else "unknown"
                                 stack_trace = traceback.format_exc()
-                                
+
                                 if "429" in error_msg:
                                     self.logger.error(f"[DEBUG] Rate limited while archiving item {item_id}: {e}")
                                     self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
                                     download_info["status"] = DownloadStatus.FAILED.value
                                     download_info["error"] = f"Rate limited by Reddit API: {e}"
                                     download_info["end_time"] = datetime.now()
-                                    
+
                                     error_event = ProgressEvent(
                                         "error",
                                         download_id,
                                         f"Rate limited by Reddit API: {e}",
                                         None,
-                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"}
+                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"},
                                     )
                                     asyncio.run(self._notify_callbacks(callbacks, "on_error", error_event))
                                     return
@@ -807,16 +842,18 @@ class BDFRManager:
                                     self.logger.error(f"[DEBUG] Error archiving item {item_id}: {e}")
                                     self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
                                     continue
-                        
+
                         self.logger.info(f"[DEBUG] Generator archived {item_count} items")
-                    
+
                     # Final progress update
                     if actual_count < limit:
                         download_info["items_found"] = actual_count
                         self.logger.info(f"[DEBUG] Adjusted items_found from {limit} to actual count {actual_count}")
-                    
-                    self.logger.info(f"[DEBUG] Final progress update - archived {processed_items} out of {download_info['items_found']} found")
-                    
+
+                    self.logger.info(
+                        f"[DEBUG] Final progress update - archived {processed_items} out of {download_info['items_found']} found"
+                    )
+
                     progress_event = ProgressEvent(
                         "progress",
                         download_id,
@@ -825,26 +862,32 @@ class BDFRManager:
                         {
                             "phase": "completed",
                             "items_processed": processed_items,
-                            "items_found": download_info["items_found"]
-                        }
+                            "items_found": download_info["items_found"],
+                        },
                     )
                     asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
-                    
-                elif hasattr(downloader, 'reddit_lists') and hasattr(downloader, '_download_submission') and hasattr(downloader, 'write_entry'):
+
+                elif (
+                    hasattr(downloader, "reddit_lists")
+                    and hasattr(downloader, "_download_submission")
+                    and hasattr(downloader, "write_entry")
+                ):
                     # For RedditCloner (which has both download and archive capabilities)
                     processed_items = 0
-                    
-                    self.logger.info(f"[DEBUG] RedditCloner detected with reddit_lists, _download_submission, and write_entry methods")
-                    
+
+                    self.logger.info(
+                        f"[DEBUG] RedditCloner detected with reddit_lists, _download_submission, and write_entry methods"
+                    )
+
                     # Get the limit from config
-                    limit = getattr(config, 'limit', 100)
+                    limit = getattr(config, "limit", 100)
                     download_info["items_found"] = limit
                     self.logger.info(f"[DEBUG] Set items_found (target) to limit: {limit}")
-                    
+
                     # Process submissions with progress tracking (both download and archive)
                     self.logger.info(f"[DEBUG] Starting cloning loop...")
                     actual_count = 0
-                    
+
                     for generator in downloader.reddit_lists:
                         self.logger.info(f"[DEBUG] Processing generator for cloning...")
                         submission_count = 0
@@ -853,23 +896,25 @@ class BDFRManager:
                                 continue
                             submission_count += 1
                             actual_count += 1
-                            
+
                             if download_info["status"] == DownloadStatus.CANCELLED.value:
                                 self.logger.info(f"Download {download_id} was cancelled")
                                 return
-                            
+
                             try:
-                                self.logger.info(f"[DEBUG] Cloning submission {submission_count}: {submission.id} from r/{submission.subreddit.display_name}")
-                                
+                                self.logger.info(
+                                    f"[DEBUG] Cloning submission {submission_count}: {submission.id} from r/{submission.subreddit.display_name}"
+                                )
+
                                 # Update current item being processed
                                 download_info["current_item"] = submission.id
                                 download_info["current_item_type"] = "submission"
                                 download_info["current_subreddit"] = submission.subreddit.display_name
-                                
+
                                 # Send progress update for this submission
                                 processed_items += 1
                                 progress_percent = 20.0 + (processed_items / max(limit, 1)) * 70.0
-                                
+
                                 progress_event = ProgressEvent(
                                     "progress",
                                     download_id,
@@ -881,11 +926,11 @@ class BDFRManager:
                                         "current_item_type": "submission",
                                         "current_subreddit": submission.subreddit.display_name,
                                         "items_processed": processed_items,
-                                        "items_found": download_info["items_found"]
-                                    }
+                                        "items_found": download_info["items_found"],
+                                    },
                                 )
                                 asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
-                                
+
                                 # Clone this submission (download + archive) with retry mechanism for rate limiting
                                 self.logger.info(f"[DEBUG] Calling _download_submission for {submission.id}")
                                 try:
@@ -897,36 +942,43 @@ class BDFRManager:
                                     # Check if this is a rate limiting error that should be retried
                                     error_msg = str(e)
                                     if "429" in error_msg:
-                                        self.logger.warning(f"[DEBUG] Rate limited while cloning submission {submission.id}: {e}")
-                                        self.logger.warning(f"[DEBUG] Will continue with next submission instead of failing entire download")
+                                        self.logger.warning(
+                                            f"[DEBUG] Rate limited while cloning submission {submission.id}: {e}"
+                                        )
+                                        self.logger.warning(
+                                            f"[DEBUG] Will continue with next submission instead of failing entire download"
+                                        )
                                         continue
                                     else:
                                         # Not a rate limiting error, re-raise
                                         raise
-                                
+
                                 # Update processed count
                                 download_info["items_processed"] = processed_items
-                                
+
                             except Exception as e:
                                 import traceback
+
                                 error_msg = str(e)
                                 submission_id = submission.id if submission is not None else "unknown"
                                 stack_trace = traceback.format_exc()
-                                
+
                                 if "429" in error_msg:
-                                    self.logger.error(f"[DEBUG] Rate limited while cloning submission {submission_id}: {e}")
+                                    self.logger.error(
+                                        f"[DEBUG] Rate limited while cloning submission {submission_id}: {e}"
+                                    )
                                     self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
                                     self.logger.info(f"[DEBUG] Error message contains '429': {error_msg}")
                                     download_info["status"] = DownloadStatus.FAILED.value
                                     download_info["error"] = f"Rate limited by Reddit API: {e}"
                                     download_info["end_time"] = datetime.now()
-                                    
+
                                     error_event = ProgressEvent(
                                         "error",
                                         download_id,
                                         f"Rate limited by Reddit API: {e}",
                                         None,
-                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"}
+                                        {"exception": str(e), "stack_trace": stack_trace, "phase": "rate_limited"},
                                     )
                                     asyncio.run(self._notify_callbacks(callbacks, "on_error", error_event))
                                     return
@@ -934,16 +986,18 @@ class BDFRManager:
                                     self.logger.error(f"[DEBUG] Error cloning submission {submission_id}: {e}")
                                     self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
                                     continue
-                        
+
                         self.logger.info(f"[DEBUG] Generator cloned {submission_count} submissions")
-                    
+
                     # Final progress update
                     if actual_count < limit:
                         download_info["items_found"] = actual_count
                         self.logger.info(f"[DEBUG] Adjusted items_found from {limit} to actual count {actual_count}")
-                    
-                    self.logger.info(f"[DEBUG] Final progress update - cloned {processed_items} out of {download_info['items_found']} found")
-                    
+
+                    self.logger.info(
+                        f"[DEBUG] Final progress update - cloned {processed_items} out of {download_info['items_found']} found"
+                    )
+
                     progress_event = ProgressEvent(
                         "progress",
                         download_id,
@@ -952,11 +1006,11 @@ class BDFRManager:
                         {
                             "phase": "completed",
                             "items_processed": processed_items,
-                            "items_found": download_info["items_found"]
-                        }
+                            "items_found": download_info["items_found"],
+                        },
                     )
                     asyncio.run(self._notify_callbacks(callbacks, "on_progress", progress_event))
-                    
+
                 else:
                     # For other downloaders, just run normally
                     self.logger.info(f"[DEBUG] Using fallback downloader (no specific handler)")
@@ -964,6 +1018,7 @@ class BDFRManager:
 
             except Exception as e:
                 import traceback
+
                 stack_trace = traceback.format_exc()
                 self.logger.error(f"Error in progress download for {download_id}: {e}")
                 self.logger.error(f"[DEBUG] Stack trace: {stack_trace}")
@@ -971,7 +1026,7 @@ class BDFRManager:
                 raise
 
         # Set up authentication if token provided
-        if hasattr(config, 'auth_token') and config.auth_token:
+        if hasattr(config, "auth_token") and config.auth_token:
             self.logger.info(f"[DEBUG] Setting up authenticated Reddit instance")
             # Monkey patch the create_reddit_instance method to use our token
             original_create_reddit_instance = downloader.create_reddit_instance
@@ -985,11 +1040,12 @@ class BDFRManager:
 
                     # Override the reddit_instance with authenticated version
                     import praw
+
                     downloader.reddit_instance = praw.Reddit(
                         client_id=downloader.cfg_parser.get("DEFAULT", "client_id"),
                         client_secret=downloader.cfg_parser.get("DEFAULT", "client_secret"),
-                        user_agent=getattr(downloader, 'user_agent', 'BDFR-Web-Interface/1.0'),
-                        token=auth_token
+                        user_agent=getattr(downloader, "user_agent", "BDFR-Web-Interface/1.0"),
+                        token=auth_token,
                     )
                     downloader.authenticated = True
                     self.logger.info(f"[DEBUG] Created authenticated Reddit instance successfully")
@@ -1005,10 +1061,14 @@ class BDFRManager:
 
     async def _notify_callbacks(self, callbacks: List[ProgressCallback], method_name: str, event: ProgressEvent):
         """Notify all callbacks of an event"""
-        self.logger.info(f"[BDFR-API] Notifying {len(callbacks)} callbacks of {method_name} event for download {event.download_id}")
+        self.logger.info(
+            f"[BDFR-API] Notifying {len(callbacks)} callbacks of {method_name} event for download {event.download_id}"
+        )
         for callback in callbacks:
             try:
-                logger.info(f"[BDFR-API] Invoking {method_name} on callback {callback.__class__.__name__} for download {event.download_id}")
+                logger.info(
+                    f"[BDFR-API] Invoking {method_name} on callback {callback.__class__.__name__} for download {event.download_id}"
+                )
                 method = getattr(callback, method_name)
                 if asyncio.iscoroutinefunction(method):
                     await method(event)
@@ -1080,10 +1140,7 @@ class BDFRManager:
         Returns:
             Dictionary of download information keyed by download ID
         """
-        return {
-            download_id: self.get_download_status(download_id)
-            for download_id in self._active_downloads
-        }
+        return {download_id: self.get_download_status(download_id) for download_id in self._active_downloads}
 
     def cleanup_completed(self, max_age_seconds: int = 3600) -> int:
         """
@@ -1099,7 +1156,11 @@ class BDFRManager:
         to_remove = []
 
         for download_id, download_info in self._active_downloads.items():
-            if download_info["status"] in [DownloadStatus.COMPLETED.value, DownloadStatus.FAILED.value, DownloadStatus.CANCELLED.value]:
+            if download_info["status"] in [
+                DownloadStatus.COMPLETED.value,
+                DownloadStatus.FAILED.value,
+                DownloadStatus.CANCELLED.value,
+            ]:
                 end_time = download_info.get("end_time")
                 if end_time and (current_time - end_time).total_seconds() > max_age_seconds:
                     to_remove.append(download_id)
@@ -1124,7 +1185,7 @@ class BDFRManager:
         time_filter: str = "all",
         no_dupes: bool = False,
         simple_check: bool = False,
-        progress_callbacks: Optional[List[ProgressCallback]] = None
+        progress_callbacks: Optional[List[ProgressCallback]] = None,
     ) -> str:
         """
         Download content from a subreddit.
@@ -1168,12 +1229,7 @@ class BDFRManager:
         config.no_dupes = no_dupes
         config.simple_check = simple_check
 
-        download_id = self.create_download(
-            DownloadType.SUBREDDIT,
-            subreddit_name,
-            config,
-            progress_callbacks
-        )
+        download_id = self.create_download(DownloadType.SUBREDDIT, subreddit_name, config, progress_callbacks)
 
         self.start_download(download_id)
         return download_id
@@ -1187,7 +1243,7 @@ class BDFRManager:
         saved: bool = False,
         no_dupes: bool = False,
         simple_check: bool = False,
-        progress_callbacks: Optional[List[ProgressCallback]] = None
+        progress_callbacks: Optional[List[ProgressCallback]] = None,
     ) -> str:
         """
         Download content from a user.
@@ -1234,7 +1290,7 @@ class BDFRManager:
         config.saved = saved
         config.no_dupes = no_dupes
         config.simple_check = simple_check
-        
+
         # Set authentication if token is available for this manager instance
         if self.auth_token:
             config.authenticate = True
@@ -1244,12 +1300,7 @@ class BDFRManager:
             config.authenticate = False
             logger.info(f"[DEBUG] No authentication token available for user download")
 
-        download_id = self.create_download(
-            DownloadType.USER,
-            username,
-            config,
-            progress_callbacks
-        )
+        download_id = self.create_download(DownloadType.USER, username, config, progress_callbacks)
 
         self.start_download(download_id)
         return download_id
@@ -1260,7 +1311,7 @@ class BDFRManager:
         format_type: str = "json",
         limit: Optional[int] = None,
         simple_check: bool = False,
-        progress_callbacks: Optional[List[ProgressCallback]] = None
+        progress_callbacks: Optional[List[ProgressCallback]] = None,
     ) -> str:
         """
         Archive subreddit data (metadata only, no downloads).
@@ -1298,12 +1349,7 @@ class BDFRManager:
             config.limit = limit
         config.format = format_type
 
-        download_id = self.create_download(
-            DownloadType.ARCHIVE,
-            subreddit_name,
-            config,
-            progress_callbacks
-        )
+        download_id = self.create_download(DownloadType.ARCHIVE, subreddit_name, config, progress_callbacks)
 
         self.start_download(download_id)
         return download_id
@@ -1315,7 +1361,7 @@ class BDFRManager:
         format_type: str = "json",
         no_dupes: bool = False,
         simple_check: bool = False,
-        progress_callbacks: Optional[List[ProgressCallback]] = None
+        progress_callbacks: Optional[List[ProgressCallback]] = None,
     ) -> str:
         """
         Clone subreddit (both download and archive).
@@ -1355,12 +1401,7 @@ class BDFRManager:
         config.format = format_type
         config.no_dupes = no_dupes
 
-        download_id = self.create_download(
-            DownloadType.CLONE,
-            subreddit_name,
-            config,
-            progress_callbacks
-        )
+        download_id = self.create_download(DownloadType.CLONE, subreddit_name, config, progress_callbacks)
 
         self.start_download(download_id)
         return download_id
@@ -1394,4 +1435,4 @@ def set_bdfr_manager(manager: BDFRManager):
         manager: BDFRManager instance to use as default
     """
     global _default_manager
-    _default_manager = manager
\ No newline at end of file
+    _default_manager = manager
diff --git a/bdfr/archiver.py b/bdfr/archiver.py
index dec1c64..868dea5 100644
--- a/bdfr/archiver.py
+++ b/bdfr/archiver.py
@@ -52,7 +52,9 @@ class Archiver(RedditConnector):
                         logger.error(f"Submission {submission.id} failed to be archived due to a PRAW exception: {e}")
             except prawcore.PrawcoreException as e:
                 if submission is not None:
-                    logger.error(f"The submission after {submission.id} failed to download due to a PRAW exception: {e}")
+                    logger.error(
+                        f"The submission after {submission.id} failed to download due to a PRAW exception: {e}"
+                    )
                 else:
                     logger.error(f"Download failed due to a PRAW exception: {e}")
                 logger.debug("Waiting 60 seconds to continue")
diff --git a/bdfr/cloner.py b/bdfr/cloner.py
index 8376199..e0271c9 100644
--- a/bdfr/cloner.py
+++ b/bdfr/cloner.py
@@ -30,7 +30,9 @@ class RedditCloner(RedditDownloader, Archiver):
                         logger.error(f"Submission {submission.id} failed to be cloned due to a PRAW exception: {e}")
             except prawcore.PrawcoreException as e:
                 if submission is not None:
-                    logger.error(f"The submission after {submission.id} failed to download due to a PRAW exception: {e}")
+                    logger.error(
+                        f"The submission after {submission.id} failed to download due to a PRAW exception: {e}"
+                    )
                 else:
                     logger.error(f"Download failed due to a PRAW exception: {e}")
                 logger.debug("Waiting 60 seconds to continue")
diff --git a/bdfr/connector.py b/bdfr/connector.py
index a32dd5c..f3941cd 100644
--- a/bdfr/connector.py
+++ b/bdfr/connector.py
@@ -414,9 +414,13 @@ class RedditConnector(metaclass=ABCMeta):
                     if TooManyRequests is not None and isinstance(e, TooManyRequests):
                         is_rate_limited = True
                         logger.info(f"Rate limited detected: Exception is TooManyRequests for user {user}")
-                    elif (hasattr(e, "response") and getattr(e.response, "status_code", None) == 429) or "429" in str(e):
+                    elif (hasattr(e, "response") and getattr(e.response, "status_code", None) == 429) or "429" in str(
+                        e
+                    ):
                         is_rate_limited = True
-                        logger.info(f"Rate limited detected: Status code 429 or '429' in error message for user {user}. Error: {e}")
+                        logger.info(
+                            f"Rate limited detected: Status code 429 or '429' in error message for user {user}. Error: {e}"
+                        )
 
                     if is_rate_limited:
                         logger.error("Received HTTP 429 (rate limited). Propagating error to fail the download.")
@@ -441,7 +445,11 @@ class RedditConnector(metaclass=ABCMeta):
 
     def create_file_name_formatter(self) -> FileNameFormatter:
         return FileNameFormatter(
-            self.args.file_scheme, self.args.folder_scheme, self.args.time_format, self.args.filename_restriction_scheme, self.args.strip_unicode
+            self.args.file_scheme,
+            self.args.folder_scheme,
+            self.args.time_format,
+            self.args.filename_restriction_scheme,
+            self.args.strip_unicode,
         )
 
     def create_time_filter(self) -> RedditTypes.TimeType:
diff --git a/bdfr/downloader.py b/bdfr/downloader.py
index 7783721..92b0b2f 100644
--- a/bdfr/downloader.py
+++ b/bdfr/downloader.py
@@ -50,11 +50,13 @@ class RedditDownloader(RedditConnector):
             hash_data = self._load_hash_list()
 
             # Handle both old and new hash file formats
-            if isinstance(hash_data, dict) and 'files' in hash_data:
+            if isinstance(hash_data, dict) and "files" in hash_data:
                 # New format with enhanced structure
-                self.master_hash_list = {k: v['path'] for k, v in hash_data['files'].items()}
-                self.url_list = hash_data.get('urls', {})
-                logger.info(f"Loaded {len(self.master_hash_list)} hashes and {len(self.url_list)} URLs from enhanced hash file")
+                self.master_hash_list = {k: v["path"] for k, v in hash_data["files"].items()}
+                self.url_list = hash_data.get("urls", {})
+                logger.info(
+                    f"Loaded {len(self.master_hash_list)} hashes and {len(self.url_list)} URLs from enhanced hash file"
+                )
             else:
                 # Old format - just hashes
                 self.master_hash_list = hash_data
@@ -70,8 +72,10 @@ class RedditDownloader(RedditConnector):
                     if hash_value not in existing_hashes:
                         self.master_hash_list[hash_value] = file_path
 
-                logger.info(f"Loaded {len(self.master_hash_list)} total hashes "
-                          f"({len(existing_hashes)} from file, {len(all_files_hashes) - len(existing_hashes)} new)")
+                logger.info(
+                    f"Loaded {len(self.master_hash_list)} total hashes "
+                    f"({len(existing_hashes)} from file, {len(all_files_hashes) - len(existing_hashes)} new)"
+                )
 
     def download(self):
         for generator in self.reddit_lists:
@@ -164,7 +168,7 @@ class RedditDownloader(RedditConnector):
                         self.master_hash_list[existing_file_hash] = destination
 
                         # Store URL mapping for simple-check functionality if URL is available
-                        if hasattr(res, 'url') and self.args.simple_check:
+                        if hasattr(res, "url") and self.args.simple_check:
                             self.url_list[res.url] = existing_file_hash
 
                         logger.debug(f"Added hash for existing file: {existing_file_hash}")
@@ -190,7 +194,7 @@ class RedditDownloader(RedditConnector):
             resource_hash = res.hash.hexdigest()
 
             # Simple-check: URL-based duplicate detection (fast path)
-            if self.args.simple_check and hasattr(res, 'url') and res.url in self.url_list:
+            if self.args.simple_check and hasattr(res, "url") and res.url in self.url_list:
                 stored_hash = self.url_list[res.url]
                 if stored_hash in self.master_hash_list:
                     logger.info(f"URL {res.url} from submission {submission.id} already downloaded (simple-check)")
@@ -233,7 +237,7 @@ class RedditDownloader(RedditConnector):
             self.master_hash_list[resource_hash] = destination
 
             # Store URL mapping for simple-check functionality
-            if hasattr(res, 'url') and self.args.simple_check:
+            if hasattr(res, "url") and self.args.simple_check:
                 self.url_list[res.url] = resource_hash
 
             logger.debug(f"Hash added to master list: {resource_hash}")
@@ -252,7 +256,7 @@ class RedditDownloader(RedditConnector):
     @staticmethod
     def scan_existing_files(directory: Path) -> dict[str, Path]:
         files = []
-        for (dirpath, _dirnames, filenames) in os.walk(directory):
+        for dirpath, _dirnames, filenames in os.walk(directory):
             files.extend([Path(dirpath, file) for file in filenames])
         logger.info(f"Calculating hashes for {len(files)} files")
 
@@ -270,14 +274,14 @@ class RedditDownloader(RedditConnector):
     def _load_hash_list(self) -> dict[str, Path]:
         """Load existing hash list from .bdfr_hashes.json in download directory."""
         logger.debug(f"Loading hash list from directory: {self.download_directory}")
-        hash_file_path = self.download_directory / '.bdfr_hashes.json'
+        hash_file_path = self.download_directory / ".bdfr_hashes.json"
 
         if not hash_file_path.exists():
             logger.debug(f"No existing hash file found at {hash_file_path}")
             return {}
 
         try:
-            with open(hash_file_path, 'r', encoding='utf-8') as f:
+            with open(hash_file_path, "r", encoding="utf-8") as f:
                 hash_data = json.load(f)
 
             if not isinstance(hash_data, dict):
@@ -285,16 +289,16 @@ class RedditDownloader(RedditConnector):
                 return {}
 
             # Handle new enhanced format
-            if 'files' in hash_data and isinstance(hash_data['files'], dict):
+            if "files" in hash_data and isinstance(hash_data["files"], dict):
                 # New format with enhanced structure
-                files_data = hash_data['files']
+                files_data = hash_data["files"]
                 loaded_hashes = {}
-                urls_data = hash_data.get('urls', {})
+                urls_data = hash_data.get("urls", {})
 
                 for hash_value, file_info in files_data.items():
-                    if isinstance(file_info, dict) and 'path' in file_info:
+                    if isinstance(file_info, dict) and "path" in file_info:
                         # New format: {"hash": {"path": "relative/path", "url": "http://..."}}
-                        relative_path = file_info['path']
+                        relative_path = file_info["path"]
                         absolute_path = self.download_directory / relative_path
                         if absolute_path.exists():
                             loaded_hashes[hash_value] = absolute_path
@@ -302,8 +306,8 @@ class RedditDownloader(RedditConnector):
                             logger.debug(f"File {absolute_path} from hash file no longer exists")
 
                         # Load URL mapping for simple-check
-                        if 'url' in file_info and file_info['url']:
-                            self.url_list[file_info['url']] = hash_value
+                        if "url" in file_info and file_info["url"]:
+                            self.url_list[file_info["url"]] = hash_value
                     elif isinstance(file_info, str):
                         # Legacy format within new structure: {"hash": "relative/path"}
                         absolute_path = self.download_directory / file_info
@@ -337,30 +341,30 @@ class RedditDownloader(RedditConnector):
 
     def _save_hash_list(self) -> None:
         """Save current hash list to .bdfr_hashes.json in download directory using atomic write."""
-        hash_file_path = self.download_directory / '.bdfr_hashes.json'
+        hash_file_path = self.download_directory / ".bdfr_hashes.json"
 
         # Build enhanced data structure for new format
         if self.args.simple_check:
             # New enhanced format with URLs and metadata
             hash_data = {
-                'files': {},
-                'urls': self.url_list.copy(),
-                'metadata': {
-                    'version': '2.0',
-                    'created_with': 'simple_check' if self.args.simple_check else 'standard',
-                    'url_count': len(self.url_list),
-                    'hash_count': len(self.master_hash_list)
-                }
+                "files": {},
+                "urls": self.url_list.copy(),
+                "metadata": {
+                    "version": "2.0",
+                    "created_with": "simple_check" if self.args.simple_check else "standard",
+                    "url_count": len(self.url_list),
+                    "hash_count": len(self.master_hash_list),
+                },
             }
 
             # Convert absolute paths to relative paths for portability
             for hash_value, absolute_path in self.master_hash_list.items():
                 try:
                     relative_path = absolute_path.relative_to(self.download_directory)
-                    hash_data['files'][hash_value] = {
-                        'path': str(relative_path),
-                        'url': next((url for url, h in self.url_list.items() if h == hash_value), None),
-                        'check_method': 'hash'
+                    hash_data["files"][hash_value] = {
+                        "path": str(relative_path),
+                        "url": next((url for url, h in self.url_list.items() if h == hash_value), None),
+                        "check_method": "hash",
                     }
                 except ValueError:
                     # File is not relative to download directory, skip it
@@ -381,17 +385,13 @@ class RedditDownloader(RedditConnector):
         # Atomic write: write to temporary file first, then rename
         try:
             with tempfile.NamedTemporaryFile(
-                mode='w',
-                dir=self.download_directory,
-                suffix='.tmp',
-                delete=False,
-                encoding='utf-8'
+                mode="w", dir=self.download_directory, suffix=".tmp", delete=False, encoding="utf-8"
             ) as temp_file:
                 json.dump(hash_data, temp_file, indent=2)
                 temp_file_path = temp_file.name
 
             # Atomic rename
-            if os.name == 'nt':  # Windows
+            if os.name == "nt":  # Windows
                 # On Windows, we need to remove the target file first if it exists
                 if hash_file_path.exists():
                     hash_file_path.unlink()
@@ -407,7 +407,7 @@ class RedditDownloader(RedditConnector):
             logger.error(f"Unexpected error saving hash file {hash_file_path}: {e}")
             # Clean up temp file if it still exists
             try:
-                if 'temp_file_path' in locals():
+                if "temp_file_path" in locals():
                     os.unlink(temp_file_path)
             except (OSError, IOError):
                 pass
diff --git a/bdfr/examples/api_usage.py b/bdfr/examples/api_usage.py
index 42acd40..f697368 100644
--- a/bdfr/examples/api_usage.py
+++ b/bdfr/examples/api_usage.py
@@ -19,20 +19,16 @@ sys.path.insert(0, str(Path(__file__).parent.parent))
 
 from bdfr.api import (
     BDFRManager,
-    DownloadType,
     DownloadStatus,
-    ProgressEvent,
-    ProgressCallback,
+    DownloadType,
     LoggingCallback,
-    get_bdfr_manager
+    ProgressCallback,
+    ProgressEvent,
+    get_bdfr_manager,
 )
 
 # Configure logging
-logging.basicConfig(
-    level=logging.INFO,
-    format='[%(asctime)s] %(levelname)s: %(message)s',
-    datefmt='%Y-%m-%d %H:%M:%S'
-)
+logging.basicConfig(level=logging.INFO, format="[%(asctime)s] %(levelname)s: %(message)s", datefmt="%Y-%m-%d %H:%M:%S")
 logger = logging.getLogger(__name__)
 
 
@@ -53,7 +49,7 @@ class WebSocketCallback(ProgressCallback):
     async def on_error(self, event: ProgressEvent):
         """Send error update to WebSocket"""
         print(f"❌ [{self.websocket_id}] ERROR: {event.message}")
-        if event.data.get('exception'):
+        if event.data.get("exception"):
             print(f"   Exception: {event.data['exception']}")
 
     async def on_completed(self, event: ProgressEvent):
@@ -95,9 +91,9 @@ async def example_basic_usage():
     # Create a download for a subreddit
     download_id = manager.download_subreddit(
         "python",  # subreddit name
-        limit=10,   # download 10 posts
-        sort="hot", # sort by hot
-        no_dupes=True  # avoid duplicates
+        limit=10,  # download 10 posts
+        sort="hot",  # sort by hot
+        no_dupes=True,  # avoid duplicates
     )
 
     print(f"📋 Created download with ID: {download_id}")
@@ -111,7 +107,7 @@ async def example_basic_usage():
 
         print(f"📊 Status: {status['status']} | Progress: {int(round(status['progress']))}%")
 
-        if status['status'] in ['completed', 'failed', 'cancelled']:
+        if status["status"] in ["completed", "failed", "cancelled"]:
             print(f"🏁 Download finished with status: {status['status']}")
             break
 
@@ -126,11 +122,7 @@ async def example_advanced_usage():
     print("=" * 50)
 
     # Create custom callbacks
-    callbacks = [
-        LoggingCallback("web_interface"),
-        WebSocketCallback("user_123"),
-        DatabaseCallback()
-    ]
+    callbacks = [LoggingCallback("web_interface"), WebSocketCallback("user_123"), DatabaseCallback()]
 
     # Create manager with custom download directory
     manager = BDFRManager("./custom_downloads")
@@ -140,11 +132,7 @@ async def example_advanced_usage():
     download_ids = []
 
     for subreddit in subreddits:
-        download_id = manager.create_download(
-            DownloadType.SUBREDDIT,
-            subreddit,
-            progress_callbacks=callbacks
-        )
+        download_id = manager.create_download(DownloadType.SUBREDDIT, subreddit, progress_callbacks=callbacks)
 
         # Start the download
         manager.start_download(download_id)
@@ -164,7 +152,7 @@ async def example_advanced_usage():
 
             print(f"📊 {download_id}: {status['status']} ({int(round(status['progress']))}%)")
 
-            if status['status'] in ['completed', 'failed', 'cancelled']:
+            if status["status"] in ["completed", "failed", "cancelled"]:
                 print(f"🏁 Download {download_id} finished")
                 download_ids.remove(download_id)
             else:
@@ -187,11 +175,7 @@ async def example_user_download():
 
     # Download user's submitted posts
     download_id = manager.download_user(
-        "testuser",  # username
-        limit=25,    # 25 posts
-        submitted=True,
-        upvoted=False,
-        saved=False
+        "testuser", limit=25, submitted=True, upvoted=False, saved=False  # username  # 25 posts
     )
 
     print(f"📋 Created user download: {download_id}")
@@ -205,7 +189,7 @@ async def example_user_download():
 
         print(f"📊 Status: {status['status']} | Progress: {int(round(status['progress']))}%")
 
-        if status['status'] in ['completed', 'failed']:
+        if status["status"] in ["completed", "failed"]:
             break
 
         await asyncio.sleep(2)
@@ -221,11 +205,7 @@ async def example_archive_operation():
     manager = BDFRManager("./archives")
 
     # Archive subreddit data (metadata only)
-    download_id = manager.archive_subreddit(
-        "dataisbeautiful",
-        format_type="json",
-        limit=50
-    )
+    download_id = manager.archive_subreddit("dataisbeautiful", format_type="json", limit=50)
 
     print(f"📋 Created archive operation: {download_id}")
 
@@ -238,7 +218,7 @@ async def example_archive_operation():
 
         print(f"📊 Archive status: {status['status']} | Progress: {int(round(status['progress']))}%")
 
-        if status['status'] in ['completed', 'failed']:
+        if status["status"] in ["completed", "failed"]:
             print(f"🏁 Archive finished with status: {status['status']}")
             break
 
@@ -265,11 +245,7 @@ async def example_web_integration():
             callback = WebSocketCallback(f"ws_{user_id}")
 
             # Create and start download
-            download_id = self.manager.download_subreddit(
-                subreddit,
-                limit=limit,
-                progress_callbacks=[callback]
-            )
+            download_id = self.manager.download_subreddit(subreddit, limit=limit, progress_callbacks=[callback])
 
             # Track for this user session
             if user_id not in self.active_sessions:
@@ -279,7 +255,7 @@ async def example_web_integration():
             return {
                 "success": True,
                 "download_id": download_id,
-                "message": f"Started download of r/{subreddit} (limit: {limit})"
+                "message": f"Started download of r/{subreddit} (limit: {limit})",
             }
 
         async def get_user_downloads(self, user_id: str):
@@ -329,7 +305,7 @@ async def example_web_integration():
 
     # Cancel one download
     if user_downloads:
-        cancel_result = await app.cancel_user_download(user_id, user_downloads[0]['id'])
+        cancel_result = await app.cancel_user_download(user_id, user_downloads[0]["id"])
         print(f"Cancel result: {cancel_result}")
 
     return len(user_downloads)
@@ -343,10 +319,7 @@ async def example_error_handling():
     manager = BDFRManager("./test_downloads")
 
     # Try to download from a non-existent subreddit
-    download_id = manager.download_subreddit(
-        "this_subreddit_does_not_exist",
-        limit=5
-    )
+    download_id = manager.download_subreddit("this_subreddit_does_not_exist", limit=5)
 
     print(f"📋 Created download for non-existent subreddit: {download_id}")
 
@@ -359,7 +332,7 @@ async def example_error_handling():
 
         print(f"📊 Status: {status['status']}")
 
-        if status['status'] == 'failed':
+        if status["status"] == "failed":
             print(f"🏁 Download failed as expected: {status.get('error', 'Unknown error')}")
             break
 
@@ -401,9 +374,10 @@ async def main():
     except Exception as e:
         print(f"\n❌ Error running examples: {e}")
         import traceback
+
         traceback.print_exc()
 
 
 if __name__ == "__main__":
     # Run the examples
-    asyncio.run(main())
\ No newline at end of file
+    asyncio.run(main())
diff --git a/bdfr/file_name_formatter.py b/bdfr/file_name_formatter.py
index 3df6829..2fd36e6 100644
--- a/bdfr/file_name_formatter.py
+++ b/bdfr/file_name_formatter.py
@@ -245,10 +245,26 @@ class FileNameFormatter:
             if ord(char) < 0x80:
                 result.append(char)
             # Keep common Unicode letters, numbers, and punctuation
-            elif unicodedata.category(char) in ['Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nd', 'Nl', 'No', 'Pc', 'Pd', 'Ps', 'Pe', 'Pi', 'Pf', 'Po']:
+            elif unicodedata.category(char) in [
+                "Lu",
+                "Ll",
+                "Lt",
+                "Lm",
+                "Lo",
+                "Nd",
+                "Nl",
+                "No",
+                "Pc",
+                "Pd",
+                "Ps",
+                "Pe",
+                "Pi",
+                "Pf",
+                "Po",
+            ]:
                 result.append(char)
             # Strip emoji, symbols, and other special characters that cause 8.3 names
-            elif unicodedata.category(char).startswith(('S', 'So', 'Sk', 'Sm')):  # Symbols
+            elif unicodedata.category(char).startswith(("S", "So", "Sk", "Sm")):  # Symbols
                 continue
             elif ord(char) > 0x1F000:  # High Unicode ranges often contain emoji
                 continue
@@ -256,7 +272,7 @@ class FileNameFormatter:
                 # Keep other Unicode characters that are generally safe
                 result.append(char)
 
-        return ''.join(result)
+        return "".join(result)
 
     @staticmethod
     def _strip_emojis(input_string: str) -> str:
diff --git a/bdfr/resource.py b/bdfr/resource.py
index 2eec13f..38d743a 100644
--- a/bdfr/resource.py
+++ b/bdfr/resource.py
@@ -24,11 +24,11 @@ class Resource:
         self.content: Optional[bytes] = None
         self.url = url
         self.hash: Optional[_hashlib.HASH] = None
-        
+
         # Log the original extension before normalization
         if extension:
             logger.debug(f"Resource constructor received extension: '{extension}' for URL: {url}")
-        
+
         self.extension = self._normalize_extension(extension)
         self.download_function = download_function
         if not self.extension:
@@ -72,14 +72,14 @@ class Resource:
         if self.url.startswith("https://www.reddit.com/media"):
             logger.debug(f"Detected Reddit media URL: {self.url}")
             parsed_url = urllib.parse.urlparse(self.url)
-            url_param = urllib.parse.parse_qs(parsed_url.query).get('url', [None])[0]
+            url_param = urllib.parse.parse_qs(parsed_url.query).get("url", [None])[0]
             if url_param:
                 decoded_url = urllib.parse.unquote(url_param)
                 logger.debug(f"Reddit media URL decoded to: {decoded_url}")
                 stripped_url = urllib.parse.urlsplit(decoded_url).path
 
         # Also handle preview.redd.it URLs which might not have extensions
-        elif "preview.redd.it" in self.url and not stripped_url.endswith(('.jpg', '.jpeg', '.png', '.gif', '.webp')):
+        elif "preview.redd.it" in self.url and not stripped_url.endswith((".jpg", ".jpeg", ".png", ".gif", ".webp")):
             logger.debug(f"Detected preview.redd.it URL without extension: {self.url}")
             # For preview URLs, try to infer from common patterns or add fallback logic
 
@@ -92,7 +92,7 @@ class Resource:
             logger.warning(f"Could not determine extension for URL: {self.url} (path: {stripped_url})")
 
             # As a last resort, if we have content, try to detect by magic numbers
-            if hasattr(self, 'content') and self.content:
+            if hasattr(self, "content") and self.content:
                 detected = self._detect_extension_by_content()
                 return self._normalize_extension(detected) if detected else None
 
@@ -104,21 +104,21 @@ class Resource:
             return None
 
         # Check for common image formats
-        if self.content.startswith(b'\xFF\xD8\xFF'):
+        if self.content.startswith(b"\xff\xd8\xff"):
             logger.debug(f"Detected JPEG by magic number for URL: {self.url}")
-            return '.jpg'
-        elif self.content.startswith(b'\x89PNG\r\n\x1a\n'):
+            return ".jpg"
+        elif self.content.startswith(b"\x89PNG\r\n\x1a\n"):
             logger.debug(f"Detected PNG by magic number for URL: {self.url}")
-            return '.png'
-        elif self.content.startswith(b'GIF87a') or self.content.startswith(b'GIF89a'):
+            return ".png"
+        elif self.content.startswith(b"GIF87a") or self.content.startswith(b"GIF89a"):
             logger.debug(f"Detected GIF by magic number for URL: {self.url}")
-            return '.gif'
-        elif self.content.startswith(b'RIFF') and self.content[8:12] == b'WEBP':
+            return ".gif"
+        elif self.content.startswith(b"RIFF") and self.content[8:12] == b"WEBP":
             logger.debug(f"Detected WebP by magic number for URL: {self.url}")
-            return '.webp'
-        elif self.content.startswith(b'BM'):
+            return ".webp"
+        elif self.content.startswith(b"BM"):
             logger.debug(f"Detected BMP by magic number for URL: {self.url}")
-            return '.bmp'
+            return ".bmp"
 
         logger.debug(f"Could not detect file type by magic number for URL: {self.url}")
         return None
@@ -127,15 +127,17 @@ class Resource:
         """Normalize extension to lowercase for consistency"""
         if not extension:
             return None
-        
+
         original = extension
         # Ensure extension starts with a dot
-        if not extension.startswith('.'):
-            extension = '.' + extension
-        
+        if not extension.startswith("."):
+            extension = "." + extension
+
         normalized = extension.lower()
         if original != normalized:
-            logger.info(f"Extension normalization: '{original}' -> '{normalized}' for URL: {self.url if hasattr(self, 'url') else 'unknown'}")
+            logger.info(
+                f"Extension normalization: '{original}' -> '{normalized}' for URL: {self.url if hasattr(self, 'url') else 'unknown'}"
+            )
         return normalized
 
     @staticmethod
diff --git a/bdfr/site_downloaders/download_factory.py b/bdfr/site_downloaders/download_factory.py
index 6687200..31c0dd5 100644
--- a/bdfr/site_downloaders/download_factory.py
+++ b/bdfr/site_downloaders/download_factory.py
@@ -25,6 +25,7 @@ class DownloadFactory:
     @staticmethod
     def pull_lever(url: str) -> type[BaseDownloader]:
         import logging
+
         logger = logging.getLogger(__name__)
 
         sanitised_url = DownloadFactory.sanitise_url(url).lower()
diff --git a/tests/test_duplicate_fix.py b/tests/test_duplicate_fix.py
index b34a999..5eb6ccd 100644
--- a/tests/test_duplicate_fix.py
+++ b/tests/test_duplicate_fix.py
@@ -4,14 +4,15 @@ Test script to verify that the duplicate folder creation fix works correctly.
 This script simulates the scenario where duplicate posts would previously create empty folders.
 """
 
-import tempfile
 import shutil
-from pathlib import Path
-from unittest.mock import MagicMock
 
 # Add the bdfr module to the path
 import sys
-sys.path.insert(0, '.')
+import tempfile
+from pathlib import Path
+from unittest.mock import MagicMock
+
+sys.path.insert(0, ".")
 
 from bdfr.configuration import Configuration
 from bdfr.connector import RedditConnector
@@ -69,6 +70,7 @@ def test_duplicate_folder_creation_fix():
 
         # Mock the download factory
         import bdfr.site_downloaders.download_factory as df
+
         original_pull_lever = df.DownloadFactory.pull_lever
         df.DownloadFactory.pull_lever = MagicMock(return_value=mock_downloader_class)
 
@@ -93,4 +95,4 @@ def test_duplicate_folder_creation_fix():
 
 if __name__ == "__main__":
     test_duplicate_folder_creation_fix()
-    print("All tests passed! The duplicate folder creation fix is working correctly.")
\ No newline at end of file
+    print("All tests passed! The duplicate folder creation fix is working correctly.")
diff --git a/tests/test_extension_case_normalization.py b/tests/test_extension_case_normalization.py
index 01b25ac..bdf25a0 100644
--- a/tests/test_extension_case_normalization.py
+++ b/tests/test_extension_case_normalization.py
@@ -3,8 +3,10 @@
 Test extension case normalization functionality
 """
 
-import pytest
 from unittest.mock import MagicMock
+
+import pytest
+
 from bdfr.resource import Resource
 
 
@@ -43,7 +45,9 @@ class TestExtensionNormalization:
             mock_submission.id = "test123"
 
             resource = Resource(mock_submission, url, lambda: None)
-            assert resource.extension == expected, f"Reddit media URL {url} should normalize to {expected}, got {resource.extension}"
+            assert (
+                resource.extension == expected
+            ), f"Reddit media URL {url} should normalize to {expected}, got {resource.extension}"
 
     def test_constructor_extensions_normalized(self):
         """Test that extensions passed to constructor are normalized"""
@@ -66,7 +70,9 @@ class TestExtensionNormalization:
             mock_submission.id = "test123"
 
             resource = Resource(mock_submission, "https://example.com/test", lambda: None, input_ext)
-            assert resource.extension == expected, f"Constructor extension {input_ext} should normalize to {expected}, got {resource.extension}"
+            assert (
+                resource.extension == expected
+            ), f"Constructor extension {input_ext} should normalize to {expected}, got {resource.extension}"
 
     def test_magic_number_detection_normalized(self):
         """Test that magic number detection returns normalized extensions"""
@@ -74,7 +80,7 @@ class TestExtensionNormalization:
         mock_submission.id = "test123"
 
         # Test JPEG magic number detection
-        jpeg_content = b'\xFF\xD8\xFF' + b'0' * 100  # JPEG magic number
+        jpeg_content = b"\xff\xd8\xff" + b"0" * 100  # JPEG magic number
         resource = Resource(mock_submission, "https://example.com/no-extension", lambda params: jpeg_content)
         resource.download()  # Trigger content-based detection
-        assert resource.extension == ".jpg", f"Magic number detection should return .jpg, got {resource.extension}"
\ No newline at end of file
+        assert resource.extension == ".jpg", f"Magic number detection should return .jpg, got {resource.extension}"
diff --git a/tests/test_extension_debug.py b/tests/test_extension_debug.py
index a05e0c6..2926c40 100644
--- a/tests/test_extension_debug.py
+++ b/tests/test_extension_debug.py
@@ -3,13 +3,16 @@
 Test script to debug file extension detection issues
 """
 
-import sys
 import os
+import sys
+
 sys.path.insert(0, os.path.dirname(__file__))
 
 from unittest.mock import MagicMock
+
 from bdfr.resource import Resource
 
+
 def test_extension_detection():
     """Test extension detection with various URL patterns"""
 
@@ -18,26 +21,20 @@ def test_extension_detection():
         ("https://example.com/image.jpg", ".jpg"),
         ("https://example.com/video.mp4", ".mp4"),
         ("https://files.example.com/document.pdf", ".pdf"),
-
         # URLs without extensions
         ("https://example.com/api/data", None),
         ("https://example.com/path/without/extension", None),
-
         # URLs with query parameters
         ("https://example.com/image.jpg?size=large", ".jpg"),
         ("https://example.com/video.mp4?utm_source=test", ".mp4"),
-
         # URLs with fragments
         ("https://example.com/image.png#section", ".png"),
-
         # Complex paths
         ("https://imgur.com/a/gallery123", None),
         ("https://reddit.com/r/test/abc123_def456_789", None),
-
         # Edge cases that might cause weird names
         ("https://example.com/L7SW9E~G", None),
         ("https://example.com/temp/file", None),
-
         # Reddit media URLs (the actual issue)
         ("https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fr2mv10i4vkfd1.jpeg", ".jpeg"),
         ("https://i.redd.it/r2mv10i4vkfd1.jpeg", ".jpeg"),
@@ -60,5 +57,6 @@ def test_extension_detection():
         print(f"Match: {'YES' if resource.extension == expected else 'NO'}")
         print("-" * 40)
 
+
 if __name__ == "__main__":
-    test_extension_detection()
\ No newline at end of file
+    test_extension_detection()
diff --git a/tests/test_file_locking_fix.py b/tests/test_file_locking_fix.py
index e86f58e..1061c83 100644
--- a/tests/test_file_locking_fix.py
+++ b/tests/test_file_locking_fix.py
@@ -7,16 +7,18 @@ This script simulates the scenario where a download fails and then tries to redo
 import asyncio
 import logging
 import os
+
+# Add the bdfr module to the path
+import sys
 import tempfile
 import time
 from pathlib import Path
 
-# Add the bdfr module to the path
-import sys
 sys.path.insert(0, str(Path(__file__).parent))
 
 from bdfr.api import BDFRManager, DownloadType, LoggingCallback, ProgressEvent
 
+
 class TestProgressCallback(LoggingCallback):
     """Test callback that simulates a failure"""
 
@@ -36,6 +38,7 @@ class TestProgressCallback(LoggingCallback):
         self.events.append(event)
         await super().on_completed(event)
 
+
 def test_file_locking_fix():
     """Test that the file locking issue is resolved"""
     print("Testing file locking fix...")
@@ -53,7 +56,7 @@ def test_file_locking_fix():
         download_id1 = manager.create_download(
             DownloadType.USER,
             "test_user_12345",  # This user doesn't exist, should fail
-            progress_callbacks=[TestProgressCallback()]
+            progress_callbacks=[TestProgressCallback()],
         )
 
         # Start the download (it should fail)
@@ -71,7 +74,7 @@ def test_file_locking_fix():
         download_id2 = manager.create_download(
             DownloadType.USER,
             "test_user_67890",  # This user also doesn't exist, should fail
-            progress_callbacks=[TestProgressCallback()]
+            progress_callbacks=[TestProgressCallback()],
         )
 
         # Start the second download
@@ -100,7 +103,7 @@ def test_file_locking_fix():
                 print(f"  - {log_file.name}")
                 # Check if file is accessible (not locked)
                 try:
-                    with open(log_file, 'r') as f:
+                    with open(log_file, "r") as f:
                         content = f.read()
                         print(f"    SUCCESS: Log file is accessible ({len(content)} characters)")
                 except PermissionError:
@@ -112,9 +115,7 @@ def test_file_locking_fix():
         # Test 4: Try to create a third download to ensure cleanup worked
         print("\n4. Creating third download to verify cleanup...")
         download_id3 = manager.create_download(
-            DownloadType.USER,
-            "test_user_cleanup",
-            progress_callbacks=[TestProgressCallback()]
+            DownloadType.USER, "test_user_cleanup", progress_callbacks=[TestProgressCallback()]
         )
 
         success3 = manager.start_download(download_id3)
@@ -132,6 +133,7 @@ def test_file_locking_fix():
         print("\nSUCCESS: All tests passed! File locking issue appears to be fixed.")
         return True
 
+
 if __name__ == "__main__":
     try:
         success = test_file_locking_fix()
@@ -144,5 +146,6 @@ if __name__ == "__main__":
     except Exception as e:
         print(f"\nTest failed with exception: {e}")
         import traceback
+
         traceback.print_exc()
-        sys.exit(1)
\ No newline at end of file
+        sys.exit(1)
diff --git a/tests/test_file_name_formatter.py b/tests/test_file_name_formatter.py
index 23fee9b..ade31e2 100644
--- a/tests/test_file_name_formatter.py
+++ b/tests/test_file_name_formatter.py
@@ -538,7 +538,7 @@ def test_strip_unicode_chars(input_string: str, expected: str):
 
 def test_unicode_stripping_enabled(submission: MagicMock):
     """Test that Unicode stripping is applied when enabled"""
-    submission.title = 'Test 💕 emoji'
+    submission.title = "Test 💕 emoji"
     formatter = FileNameFormatter("{TITLE}", "", "", strip_unicode=True)
     result = formatter._format_name(submission, "{TITLE}")
     assert "💕" not in result
@@ -547,7 +547,7 @@ def test_unicode_stripping_enabled(submission: MagicMock):
 
 def test_unicode_stripping_disabled(submission: MagicMock):
     """Test that Unicode stripping is not applied when disabled"""
-    submission.title = 'Test 💕 emoji'
+    submission.title = "Test 💕 emoji"
     formatter = FileNameFormatter("{TITLE}", "", "", strip_unicode=False)
     result = formatter._format_name(submission, "{TITLE}")
     assert "💕" in result
diff --git a/tests/test_hash_persistence.py b/tests/test_hash_persistence.py
index 5fd147d..48ca789 100644
--- a/tests/test_hash_persistence.py
+++ b/tests/test_hash_persistence.py
@@ -3,14 +3,15 @@
 Test script to verify hash persistence functionality.
 """
 import json
-import tempfile
 import shutil
-from pathlib import Path
-from unittest.mock import Mock
 
 # Import the necessary modules
 import sys
-sys.path.insert(0, '/Users/Daniel/Documents/GitHub/bulk-downloader-for-reddit')
+import tempfile
+from pathlib import Path
+from unittest.mock import Mock
+
+sys.path.insert(0, "/Users/Daniel/Documents/GitHub/bulk-downloader-for-reddit")
 
 from bdfr.configuration import Configuration
 from bdfr.downloader import RedditDownloader
@@ -59,7 +60,7 @@ def test_hash_persistence():
         # Test 2: Save empty hash list
         print("Test 2: Saving empty hash list")
         downloader._save_hash_list()
-        hash_file = temp_path / '.bdfr_hashes.json'
+        hash_file = temp_path / ".bdfr_hashes.json"
         assert hash_file.exists(), "Hash file should be created even when empty"
         print("PASS Passed")
 
@@ -71,18 +72,18 @@ def test_hash_persistence():
 
         # Test 4: Add some test data and save
         print("Test 4: Adding test data and saving")
-        test_file = temp_path / 'test.txt'
+        test_file = temp_path / "test.txt"
         test_file.write_text("test content")
-        downloader.master_hash_list['test_hash_123'] = test_file
+        downloader.master_hash_list["test_hash_123"] = test_file
 
         downloader._save_hash_list()
 
         # Verify the saved JSON structure
-        with open(hash_file, 'r') as f:
+        with open(hash_file, "r") as f:
             saved_data = json.load(f)
 
-        assert 'test_hash_123' in saved_data, "Test hash should be in saved data"
-        assert saved_data['test_hash_123'] == 'test.txt', f"Expected 'test.txt', got {saved_data['test_hash_123']}"
+        assert "test_hash_123" in saved_data, "Test hash should be in saved data"
+        assert saved_data["test_hash_123"] == "test.txt", f"Expected 'test.txt', got {saved_data['test_hash_123']}"
         print("PASS Passed")
 
         # Test 5: Load hash list and verify data is restored
@@ -100,13 +101,15 @@ def test_hash_persistence():
 
         loaded_hash_list = new_downloader._load_hash_list()
         assert len(loaded_hash_list) == 1, f"Expected 1 hash, got {len(loaded_hash_list)}"
-        assert 'test_hash_123' in loaded_hash_list, "Test hash should be loaded"
-        assert loaded_hash_list['test_hash_123'] == test_file, f"File path should match: {loaded_hash_list['test_hash_123']} != {test_file}"
+        assert "test_hash_123" in loaded_hash_list, "Test hash should be loaded"
+        assert (
+            loaded_hash_list["test_hash_123"] == test_file
+        ), f"File path should match: {loaded_hash_list['test_hash_123']} != {test_file}"
         print("PASS Passed")
 
         # Test 6: Test corrupted hash file handling
         print("Test 6: Testing corrupted hash file handling")
-        with open(hash_file, 'w') as f:
+        with open(hash_file, "w") as f:
             f.write("invalid json content")
 
         corrupted_downloader = RedditDownloader.__new__(RedditDownloader)
@@ -122,7 +125,9 @@ def test_hash_persistence():
 
         # Should handle corrupted file gracefully and return empty dict
         corrupted_hash_list = corrupted_downloader._load_hash_list()
-        assert len(corrupted_hash_list) == 0, f"Expected empty hash list for corrupted file, got {len(corrupted_hash_list)}"
+        assert (
+            len(corrupted_hash_list) == 0
+        ), f"Expected empty hash list for corrupted file, got {len(corrupted_hash_list)}"
         print("PASS Passed")
 
         print("\nAll tests passed! Hash persistence functionality is working correctly.")
@@ -174,7 +179,7 @@ def test_simple_check_functionality():
 
         # Test 2: Add test data and save with simple_check format
         print("Test 2: Adding test data and saving with simple_check format")
-        test_file = temp_path / 'test.txt'
+        test_file = temp_path / "test.txt"
         test_file.write_text("test content")
         test_url = "https://example.com/test.txt"
         test_hash = "test_hash_123"
@@ -185,16 +190,16 @@ def test_simple_check_functionality():
         downloader._save_hash_list()
 
         # Verify the saved JSON structure has enhanced format
-        with open(temp_path / '.bdfr_hashes.json', 'r') as f:
+        with open(temp_path / ".bdfr_hashes.json", "r") as f:
             saved_data = json.load(f)
 
-        assert 'files' in saved_data, "Enhanced format should have 'files' section"
-        assert 'urls' in saved_data, "Enhanced format should have 'urls' section"
-        assert 'metadata' in saved_data, "Enhanced format should have 'metadata' section"
-        assert test_hash in saved_data['files'], "Test hash should be in files section"
-        assert test_url in saved_data['urls'], "Test URL should be in urls section"
-        assert saved_data['metadata']['version'] == '2.0', "Version should be 2.0"
-        assert saved_data['metadata']['created_with'] == 'simple_check', "Should be created with simple_check"
+        assert "files" in saved_data, "Enhanced format should have 'files' section"
+        assert "urls" in saved_data, "Enhanced format should have 'urls' section"
+        assert "metadata" in saved_data, "Enhanced format should have 'metadata' section"
+        assert test_hash in saved_data["files"], "Test hash should be in files section"
+        assert test_url in saved_data["urls"], "Test URL should be in urls section"
+        assert saved_data["metadata"]["version"] == "2.0", "Version should be 2.0"
+        assert saved_data["metadata"]["created_with"] == "simple_check", "Should be created with simple_check"
         print("PASS")
 
         # Test 3: Load hash list and verify URL mapping is restored
@@ -228,7 +233,7 @@ def test_simple_check_functionality():
         mock_resource.hash.hexdigest.return_value = test_hash
 
         # Create a mock destination that exists
-        mock_destination = temp_path / 'existing_file.txt'
+        mock_destination = temp_path / "existing_file.txt"
         mock_destination.parent.mkdir(parents=True, exist_ok=True)
         mock_destination.write_text("existing content")
 
@@ -260,17 +265,14 @@ def test_backward_compatibility():
         temp_path = Path(temp_dir)
 
         # Create old-format hash file manually
-        (temp_path / 'relative' / 'path').mkdir(parents=True, exist_ok=True)
-        (temp_path / 'relative' / 'path' / 'file1.txt').write_text("content1")
-        (temp_path / 'relative' / 'path' / 'file2.txt').write_text("content2")
+        (temp_path / "relative" / "path").mkdir(parents=True, exist_ok=True)
+        (temp_path / "relative" / "path" / "file1.txt").write_text("content1")
+        (temp_path / "relative" / "path" / "file2.txt").write_text("content2")
 
-        old_hash_data = {
-            "hash1": "relative/path/file1.txt",
-            "hash2": "relative/path/file2.txt"
-        }
+        old_hash_data = {"hash1": "relative/path/file1.txt", "hash2": "relative/path/file2.txt"}
 
-        hash_file = temp_path / '.bdfr_hashes.json'
-        with open(hash_file, 'w') as f:
+        hash_file = temp_path / ".bdfr_hashes.json"
+        with open(hash_file, "w") as f:
             json.dump(old_hash_data, f)
 
         # Create downloader and load old format
@@ -294,21 +296,21 @@ def test_backward_compatibility():
         print("PASS - Old format loaded correctly")
 
         # Test saving in new format
-        (temp_path / 'another').mkdir(parents=True, exist_ok=True)
-        test_file = temp_path / 'another' / 'new_file.txt'
+        (temp_path / "another").mkdir(parents=True, exist_ok=True)
+        test_file = temp_path / "another" / "new_file.txt"
         test_file.write_text("new content")
         downloader.master_hash_list["new_hash"] = test_file
 
         downloader._save_hash_list()
 
         # Verify new format was created
-        with open(hash_file, 'r') as f:
+        with open(hash_file, "r") as f:
             new_data = json.load(f)
 
-        assert 'files' in new_data, "New format should have 'files' section"
-        assert 'urls' in new_data, "New format should have 'urls' section"
-        assert 'metadata' in new_data, "New format should have 'metadata' section"
-        assert new_data['metadata']['version'] == '2.0', "Should be version 2.0"
+        assert "files" in new_data, "New format should have 'files' section"
+        assert "urls" in new_data, "New format should have 'urls' section"
+        assert "metadata" in new_data, "New format should have 'metadata' section"
+        assert new_data["metadata"]["version"] == "2.0", "Should be version 2.0"
 
         print("PASS - Old format upgraded to new format correctly")
 
@@ -318,4 +320,4 @@ def test_backward_compatibility():
 if __name__ == "__main__":
     test_hash_persistence()
     test_simple_check_functionality()
-    test_backward_compatibility()
\ No newline at end of file
+    test_backward_compatibility()
diff --git a/tests/test_user_folder_structure.py b/tests/test_user_folder_structure.py
index f0b0ed8..cef1244 100644
--- a/tests/test_user_folder_structure.py
+++ b/tests/test_user_folder_structure.py
@@ -14,10 +14,11 @@ import tempfile
 from pathlib import Path
 
 # Set UTF-8 encoding for Windows console
-if sys.platform == 'win32':
+if sys.platform == "win32":
     import codecs
-    sys.stdout = codecs.getwriter('utf-8')(sys.stdout.buffer, 'strict')
-    sys.stderr = codecs.getwriter('utf-8')(sys.stderr.buffer, 'strict')
+
+    sys.stdout = codecs.getwriter("utf-8")(sys.stdout.buffer, "strict")
+    sys.stderr = codecs.getwriter("utf-8")(sys.stderr.buffer, "strict")
 
 from bdfr.api import BDFRManager, DownloadType
 from bdfr.configuration import Configuration
@@ -26,27 +27,24 @@ from bdfr.configuration import Configuration
 def test_subreddit_directory_structure():
     """Test that subreddit downloads use correct directory structure"""
     print("\n=== Testing Subreddit Directory Structure ===")
-    
+
     with tempfile.TemporaryDirectory() as tmpdir:
         manager = BDFRManager(download_directory=tmpdir)
-        
+
         # Create a download for a subreddit
-        download_id = manager.create_download(
-            DownloadType.SUBREDDIT,
-            "test_subreddit"
-        )
-        
+        download_id = manager.create_download(DownloadType.SUBREDDIT, "test_subreddit")
+
         download_info = manager.get_download_status(download_id)
         config = download_info["config"]
-        
+
         expected_dir = str(Path(tmpdir))
         actual_dir = config.directory
-        
+
         print(f"Expected directory: {expected_dir}")
         print(f"Actual directory:   {actual_dir}")
         print(f"Subreddit config:   {config.subreddit}")
         print(f"Folder scheme:      {config.folder_scheme}")
-        
+
         assert actual_dir == expected_dir, f"Subreddit directory mismatch!"
         print("[OK] Subreddit directory structure is correct")
         print(f"  Files will be saved to: {actual_dir}/{{SUBREDDIT}}/{{files}}")
@@ -55,28 +53,25 @@ def test_subreddit_directory_structure():
 def test_user_directory_structure():
     """Test that user downloads use correct directory structure"""
     print("\n=== Testing User Directory Structure ===")
-    
+
     with tempfile.TemporaryDirectory() as tmpdir:
         manager = BDFRManager(download_directory=tmpdir)
-        
+
         # Create a download for a user
         username = "test_user"
-        download_id = manager.create_download(
-            DownloadType.USER,
-            username
-        )
-        
+        download_id = manager.create_download(DownloadType.USER, username)
+
         download_info = manager.get_download_status(download_id)
         config = download_info["config"]
-        
+
         expected_dir = str(Path(tmpdir) / username)
         actual_dir = config.directory
-        
+
         print(f"Expected directory: {expected_dir}")
         print(f"Actual directory:   {actual_dir}")
         print(f"User config:        {config.user}")
         print(f"Folder scheme:      {config.folder_scheme}")
-        
+
         assert actual_dir == expected_dir, f"User directory mismatch!"
         print("[OK] User directory structure is correct")
         print(f"  Files will be saved to: {actual_dir}/{{SUBREDDIT}}/{{files}}")
@@ -85,26 +80,26 @@ def test_user_directory_structure():
 def test_convenience_method():
     """Test the convenience method download_user()"""
     print("\n=== Testing download_user() Convenience Method ===")
-    
+
     with tempfile.TemporaryDirectory() as tmpdir:
         manager = BDFRManager(download_directory=tmpdir)
-        
+
         # Don't actually start the download, just check the config
         username = "convenience_test_user"
-        
+
         # Create config manually like the convenience method does
         config = Configuration()
         user_directory = Path(tmpdir) / username
         config.directory = str(user_directory)
         config.user = [username]
-        
+
         expected_dir = str(Path(tmpdir) / username)
         actual_dir = config.directory
-        
+
         print(f"Expected directory: {expected_dir}")
         print(f"Actual directory:   {actual_dir}")
         print(f"User config:        {config.user}")
-        
+
         assert actual_dir == expected_dir, f"Convenience method directory mismatch!"
         print("[OK] Convenience method directory structure is correct")
 
@@ -118,7 +113,7 @@ def demonstrate_folder_structure():
     print("      ├── file1.jpg")
     print("      ├── file2.png")
     print("      └── file3.mp4")
-    
+
     print("\nWhen downloading from a USER 'spez' who posts to multiple subreddits:")
     print("  downloads/")
     print("  └── spez/")
@@ -129,7 +124,7 @@ def demonstrate_folder_structure():
     print("      │   └── file3.jpg")
     print("      └── pics/")
     print("          └── file4.png")
-    
+
     print("\n[OK] This structure allows:")
     print("  1. Easy identification of user-specific downloads")
     print("  2. Organization by subreddit within each user folder")
@@ -140,22 +135,23 @@ if __name__ == "__main__":
     print("=" * 60)
     print("Testing User Folder Structure Changes")
     print("=" * 60)
-    
+
     try:
         test_subreddit_directory_structure()
         test_user_directory_structure()
         test_convenience_method()
         demonstrate_folder_structure()
-        
+
         print("\n" + "=" * 60)
         print("[SUCCESS] All tests passed!")
         print("=" * 60)
-        
+
     except AssertionError as e:
         print(f"\n[FAIL] Test failed: {e}")
         exit(1)
     except Exception as e:
         print(f"\n[ERROR] Unexpected error: {e}")
         import traceback
+
         traceback.print_exc()
-        exit(1)
\ No newline at end of file
+        exit(1)