Fix incorrect typing

pgjones · pgjones · commit 2413e3fb00ec · 2022-07-23T21:05:45.000+01:00
diff --git a/src/quart/app.py b/src/quart/app.py
@@ -1803,7 +1803,7 @@ async def preprocess_websocket(
 
     async def dispatch_websocket(
         self, websocket_context: Optional[WebsocketContext] = None
-    ) -> None:
+    ) -> Optional[ResponseReturnValue]:
         """Dispatch the websocket to the view function.
 
         Arguments:
