diff --git a/tests/knowledge/knowledge_storage_test.py b/tests/knowledge/knowledge_storage_test.py
index adf1c9f13..68ce8a549 100644
--- a/tests/knowledge/knowledge_storage_test.py
+++ b/tests/knowledge/knowledge_storage_test.py
@@ -1,4 +1,5 @@
 import os
+
 import pytest
 from unittest.mock import MagicMock, patch