diff --git a/libs/core/tests/unit_tests/language_models/chat_models/test_cache.py b/libs/core/tests/unit_tests/language_models/chat_models/test_cache.py
index 2c9b5608c91..f4f033d3d7f 100644
--- a/libs/core/tests/unit_tests/language_models/chat_models/test_cache.py
+++ b/libs/core/tests/unit_tests/language_models/chat_models/test_cache.py
@@ -313,7 +313,7 @@ def test_cache_with_generation_objects() -> None:
     but ChatResult expects ChatGeneration objects, causing validation errors.
 
     See #22389 for more info.
-    
+
     """
     cache = InMemoryCache()