diff --git a/libs/langchain/tests/unit_tests/schema/runnable/test_utils.py b/libs/langchain/tests/unit_tests/schema/runnable/test_utils.py
index a4522726c1..ce08198326 100644
--- a/libs/langchain/tests/unit_tests/schema/runnable/test_utils.py
+++ b/libs/langchain/tests/unit_tests/schema/runnable/test_utils.py
@@ -1,10 +1,10 @@
 import pytest
 
+from langchain.schema.runnable.base import RunnableLambda
 from langchain.schema.runnable.utils import (
     get_lambda_source,
     indent_lines_after_first,
 )
-from langchain.schema.runnable.base import RunnableLambda
 
 
 # Test get_lambda_source function
@@ -21,7 +21,6 @@ def test_get_lambda_source(func, expected_source):
     assert source == expected_source
 
 
-
 @pytest.mark.parametrize(
     "text,prefix,expected_output",
     [