diff --git a/stdlib/3/unittest/__init__.pyi b/stdlib/3/unittest/__init__.pyi
index 77b79de12..15ebff6bf 100644
--- a/stdlib/3/unittest/__init__.pyi
+++ b/stdlib/3/unittest/__init__.pyi
@@ -55,10 +55,10 @@ class TestCase:
     def assertNotIn(self, first: _T, second: Iterable[_T],
                     msg: Any = ...) -> None: ...
     def assertIsInstance(self, obj: Any,
-                         cls: Union[Type[Any], Tuple[Type[Any], ...]],
+                         cls: Union[type, Tuple[type, ...]],
                          msg: Any = ...) -> None: ...
     def assertNotIsInstance(self, obj: Any,
-                            cls: Union[Type[Any], Tuple[Type[Any], ...]],
+                            cls: Union[type, Tuple[type, ...]],
                             msg: Any = ...) -> None: ...
     def assertGreater(self, first: Any, second: Any,
                       msg: Any = ...) -> None: ...