diff --git a/tests/milvus_memory_test.py b/tests/milvus_memory_test.py
index c64924f77..7e3f185ac 100644
--- a/tests/milvus_memory_test.py
+++ b/tests/milvus_memory_test.py
@@ -61,4 +61,4 @@ class TestMilvusMemory(unittest.TestCase):
 
 
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()