return get_file_timestamp_timedelta(filename, lambda x: x.st_mtime)
-def describe_file_timestamp(filename: str, extractor, *, brief=False) -> Optional[str]:
+def describe_file_timestamp(
+ filename: str, extractor, *, brief=False
+) -> Optional[str]:
from datetime_utils import describe_duration, describe_duration_briefly
age = get_file_timestamp_age_seconds(filename, extractor)