make pep561 compliant

django-stubs/contrib/admindocs/middleware.pyi

@@ -0,0 +1,19 @@
+from django.core.handlers.wsgi import WSGIRequest
+from django.http.response import HttpResponse
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    Optional,
+    Tuple,
+)
+
+
+class XViewMiddleware:
+    def process_view(
+        self,
+        request: WSGIRequest,
+        view_func: Callable,
+        view_args: Tuple,
+        view_kwargs: Dict[Any, Any]
+    ) -> Optional[HttpResponse]: ...