code: def send(self, obj: Any) -> None:
      message = _SerialMessage(self._send_serial, obj)
      self._send_serial += 1
      self._push_socket.send_pyobj(message)
  
imports: import logging
  import os
  import selectors
  import signal
  import socket
  import subprocess
  import time
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union
  import determined
label_desc: Use image node_id 6 for calling the ZMQBroadcastClient obj's underlying member method code with example usage: obj.send(obj) without return types