linter + новые таски

backend/tests/test_log_persistence.py

@@ -6,9 +6,7 @@
 # @TIER: STANDARD
 
 # [SECTION: IMPORTS]
-import pytest
 from datetime import datetime
-from unittest.mock import Mock, patch, MagicMock
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker