diff --git a/graphene_django/utils/testing.py b/graphene_django/utils/testing.py
index 051f6fe..bb55d42 100644
--- a/graphene_django/utils/testing.py
+++ b/graphene_django/utils/testing.py
@@ -147,4 +147,3 @@ class GraphQLTestCase(GraphQLTestMixin, TestCase):
 
 class GraphQLTransactionTestCase(GraphQLTestMixin, TransactionTestCase):
     pass
-