code: def _handle_msg_rcv(self, msg: "pb.Result") -> None:
      if msg.control.relay_id:
          tracelog.log_message_queue(msg, self._relay_queue)
          self._relay_queue.put(msg)
          return
      super()._handle_msg_rcv(msg)
  
file_path: wandb/wandb/sdk/interface/router_relay.py
imports: from typing import TYPE_CHECKING
  from ..lib import tracelog
  from ..lib.mailbox import Mailbox
  from .router_queue import MessageQueueRouter
label_desc: Use image node_id 2 for calling the MessageRelayRouter obj's underlying member method code with example usage: obj._handle_msg_rcv(msg) without return types