diff --git a/tests/tools/test_tool_transform.py b/tests/tools/test_tool_transform.py
index 23b446f68..e0460d9b6 100644
--- a/tests/tools/test_tool_transform.py
+++ b/tests/tools/test_tool_transform.py
@@ -383,6 +383,7 @@ async def test_forward_raw_outside_context_raises_error():
     ):
         await forward_raw(new_x=1, old_y=2)
 
+
 def test_transform_args_with_parent_defaults():
     """Test that transform_args with parent defaults works."""
 
@@ -394,9 +395,7 @@ def test_transform_args_with_parent_defaults():
 
     tool = Tool.from_function(parent_tool)
 
-    new_tool = Tool.from_tool(
-        tool
-    )
+    new_tool = Tool.from_tool(tool)
 
     assert new_tool.parameters["$defs"] == tool.parameters["$defs"]