diff --git a/pre_commit/staged_files_only.py b/pre_commit/staged_files_only.py
index f9aeea89..43580fb2 100644
--- a/pre_commit/staged_files_only.py
+++ b/pre_commit/staged_files_only.py
@@ -48,7 +48,7 @@ def _intent_to_add_cleared() -> Generator[None, None, None]:
 
 
 @contextlib.contextmanager
-def _unstaged_changes_cleared(patch_dir: str) -> Generator[None, None, None]:    
+def _unstaged_changes_cleared(patch_dir: str) -> Generator[None, None, None]:
     if cmd_output('git', 'fsmonitor--daemon', 'status')[1].startswith('fsmonitor-daemon is watching'):
         logger.warning('The fsmonitor-daemon is running; a bug in the fsmonitor-daemon sometimes causes data loss when run with pre-commit.')