fifth iteration

django-stubs/dispatch/dispatcher.pyi

@@ -32,7 +32,7 @@ class Signal:
     def has_listeners(self, sender: Any = ...) -> bool: ...
     def send(
         self, sender: Any, **named: Any
-    ) -> Union[List[Tuple[None, None]], List[Tuple[str, str]]]: ...
+    ) -> List[Tuple[Callable, Optional[str]]]: ...
     def send_robust(
         self, sender: SimpleTestCase, **named: Any
     ) -> List[Tuple[Callable, Union[ValueError, str]]]: ...