diff --git a/graphene/core/tests/test_schema.py b/graphene/core/tests/test_schema.py
index 3280ce97..b7a4d287 100644
--- a/graphene/core/tests/test_schema.py
+++ b/graphene/core/tests/test_schema.py
@@ -89,6 +89,7 @@ def test_query_schema_execute():
     assert not result.errors
     assert result.data == expected
 
+
 def test_schema_returns_promise():
     object()
     query = '''