Fix accidental regression of 9bc48b2 in fa46b07

Occured due to difficult to spot difference in git merge when rebasing
the lint changes.

discord/gateway.py

@@ -461,7 +461,7 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
 
     async def send_as_json(self, data):
         try:
-            await super().send(utils.to_json(data))
+            await self.send(utils.to_json(data))
         except websockets.exceptions.ConnectionClosed as exc:
             if not self._can_handle_close(exc.code):
                 raise ConnectionClosed(exc, shard_id=self.shard_id) from exc