diff --git a/graphene/utils/tests/test_deprecated.py b/graphene/utils/tests/test_deprecated.py
index 5576eb48..3fe90ded 100644
--- a/graphene/utils/tests/test_deprecated.py
+++ b/graphene/utils/tests/test_deprecated.py
@@ -6,6 +6,4 @@ def test_warn_deprecation(mocker):
     mocker.patch.object(deprecated, "warn")
 
     warn_deprecation("OH!")
-    deprecated.warn.assert_called_with(
-        "OH!", stacklevel=2, category=DeprecationWarning
-    )
+    deprecated.warn.assert_called_with("OH!", stacklevel=2, category=DeprecationWarning)