diff --git a/tests/tasks/test_task.py b/tests/tasks/test_task.py
index 642cdef..784fcf1 100644
--- a/tests/tasks/test_task.py
+++ b/tests/tasks/test_task.py
@@ -327,15 +327,15 @@ async def test_parallel_composite_task_notify_atleast_one_one_complete(
         assert parallel_composite_task_fixture.on_complete.called
 
     @pytest.mark.asyncio
-    async def test_stop_workflow_already_stopped(
-        self, template_fixture
-    ):
+    async def test_stop_workflow_already_stopped(self, template_fixture):
         template_fixture.on_complete = CoroutineMock()
         template_fixture.status = TaskStatus(
-                code=TaskStatusEnum.COMPLETED.name, value=TaskStatusEnum.COMPLETED.value
-            )
-        await template_fixture.stop(runtime_parameters=template_fixture.runtime_parameters,
-            workflow_instance=template_fixture)
+            code=TaskStatusEnum.COMPLETED.name, value=TaskStatusEnum.COMPLETED.value
+        )
+        await template_fixture.stop(
+            runtime_parameters=template_fixture.runtime_parameters,
+            workflow_instance=template_fixture,
+        )
         template_fixture.on_complete.assert_not_called()
 
     @pytest.mark.asyncio