diff --git a/src/copyvios/checker.py b/src/copyvios/checker.py
index 33859f9..d8e406f 100644
--- a/src/copyvios/checker.py
+++ b/src/copyvios/checker.py
@@ -233,7 +233,9 @@ def _get_cached_results(
             cache_time = datetime.fromtimestamp(cache_time, tz=UTC)
         else:
             # Y-M-D H:M:S
-            cache_time = datetime.strptime(cache_time, "%Y-%m-%d %H:%M:%S").replace(tzinfo=UTC)
+            cache_time = datetime.strptime(cache_time, "%Y-%m-%d %H:%M:%S").replace(
+                tzinfo=UTC
+            )
     elif cache_time.tzinfo is None:
         cache_time = cache_time.replace(tzinfo=UTC)
     if datetime.now(UTC) - cache_time > timedelta(days=3):