fix lint

src/backend/core/admin.py

@@ -1,4 +1,5 @@
 """Admin classes and registrations for core app."""
+# pylint: disable=too-many-lines
 
 import logging
 

src/backend/core/services/throttle.py

@@ -7,7 +7,7 @@ cache counters with fixed time windows.
 import logging
 import math
 from datetime import timedelta
-from typing import Any, Optional
+from typing import Any
 
 from django.conf import settings
 from django.core.cache import cache