fix typo

litecord/gateway/websocket.py

@@ -955,13 +955,13 @@ class GatewayWebsocket:
     async def handle_6(self, payload: Dict[str, Any]):
         """Handle OP 6 Resume."""
         payload = validate(payload, RESUME_SCHEMA)
+        data = payload["d"]
 
         # HACK: this is a hack for discord.js that attempts to resume
         # with a null sequence.
         if data["seq"] is None:
             return await self.invalidate_session(False)
 
-        data = payload["d"]
         token, sess_id, seq = data["token"], data["session_id"], data["seq"]
 
         try: