diff --git a/graphene_django/rest_framework/tests/test_mutation.py b/graphene_django/rest_framework/tests/test_mutation.py
index 46d72ab..a594fc2 100644
--- a/graphene_django/rest_framework/tests/test_mutation.py
+++ b/graphene_django/rest_framework/tests/test_mutation.py
@@ -229,10 +229,7 @@ def test_perform_mutate_success():
     result = MyMethodMutation.mutate_and_get_payload(
         None,
         mock_info(),
-        **{
-            "cool_name": "Narf",
-            "last_edited": datetime.date(2020, 1, 4),
-        }
+        **{"cool_name": "Narf", "last_edited": datetime.date(2020, 1, 4),}
     )
 
     assert result.errors is None