reformatting

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: