code: def __exit__(self, *_: Any) -> None:
      self.close()
  
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 4 for calling the ZMQBroadcastClient obj's underlying member method code with example usage: obj.__exit__() without return types