code: def _check_closed(self):
      if self._inited is False:
          self._create_handle()
          self._inited = True
      if self._handle is None:
          raise OSError("handle is closed")
  
imports: import logging
  import multiprocessing.connection
  import multiprocessing.reduction
  from multiprocessing.util import register_after_fork
  import atexit
  from fiber.process import current_process
  from fiber.backend import get_backend
  from fiber.socket import Socket, ProcessDevice
label_desc: Use image node_id 2 for calling the LazyZConnection obj's underlying member method code with example usage: obj._check_closed() without return types