refactor for linter

bin/vcmp

@@ -184,15 +184,12 @@ def process_directory(
         *,
         source_dir: pathlib.Path,
         destination_dir: pathlib.Path,
-        temp_dir: pathlib.Path | None = None,
+        temp_dir: pathlib.Path,
         remove_source: bool = False,
         nice: int = 20,
         count_only: bool = False
 ) -> int:
     """Process all video files in source directory recursively."""
-    if not count_only:
-        if not temp_dir:
-            raise ValueError("Temporary directory is required for processing files")
     count = 0
     successful = 0
     for dirpath, _dirnames, filenames in os.walk(source_dir):
@@ -264,6 +261,7 @@ def main():
     total_files = process_directory(
         source_dir=source_dir,
         destination_dir=destination_dir,
+        temp_dir=temp_dir,
         count_only=True
     )
 
@@ -274,6 +272,5 @@ def main():
         remove_source=args.remove_source,
         nice=args.nice
     )
-
 if __name__ == "__main__":
     main()