diff --git a/tests/test_util.py b/tests/test_util.py
index d4cec9a0..61d5cf09 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -88,4 +88,4 @@ def test_subclass_new_type(self):
         assert safe_issubclass(list[new_int], typing.List[new_int])
         assert safe_issubclass(typing.List[new_int], list[new_int])
         assert safe_issubclass(list[new_int], typing.Sequence[new_int])
-        assert safe_issubclass(list[new_int], list[new_int])
\ No newline at end of file
+        assert safe_issubclass(list[new_int], list[new_int])