Apply formatting fixes to test files

tests/unit/test_enhanced_provider.py

@@ -3,7 +3,7 @@
 import json
 import os
 from typing import Any, Dict, List
-from unittest.mock import MagicMock, Mock, patch, PropertyMock
+from unittest.mock import MagicMock, Mock, PropertyMock, patch
 
 import pytest
 
@@ -15,7 +15,6 @@ from src.core.error_handler import (
 )
 from src.core.providers.base_provider import Loader
 
-
 # Import the class but we need a concrete subclass to test it
 from src.core.providers.enhanced_provider import EnhancedAniWorldLoader