code: def stop(self):
      if _exit_mode:
          return  # Prevent shutdown errors
      if self._process is not None:
          with self._run.get_lock():
              self._run.value = 0
          if self._process.is_alive():
              self._process.join()
  
imports: import atexit
  from ctypes import sizeof
  import multiprocessing
  import threading
  import socket
  import time
  from cupyx.distributed import _klv_utils
  from cupyx.distributed import _store_actions
label_desc: Use image node_id 7 for calling the TCPStore obj's underlying member method code with example usage: obj.stop() without return types