code: def __exit__(self, e_type: type, e_val: Exception, _: Any) -> None:
      # A "graceful" exit is either no exception at all, or a sys.exit(0).
      self.close(
          graceful=e_type is None
          or isinstance(e_val, SystemExit)
          and e_val.code == 0
      )
  
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 5 for calling the PIDClient obj's underlying member method code with example usage: obj.__exit__(e_type, e_val, _) without return types