diff --git a/tests/knowledge/custom_storage_knowledge_source_test.py b/tests/knowledge/custom_storage_knowledge_source_test.py
index acd0c7cb8..6ed5b6280 100644
--- a/tests/knowledge/custom_storage_knowledge_source_test.py
+++ b/tests/knowledge/custom_storage_knowledge_source_test.py
@@ -4,7 +4,7 @@ import os
 import shutil
 import tempfile
 from pathlib import Path
-from unittest.mock import patch, MagicMock
+from unittest.mock import MagicMock, patch
 
 import pytest