code: def is_terminated(self):
      with self._lock:
          return self._status == _Communicator.STATUS_TERMINATE
  
imports: from __future__ import division
  import datetime
  import multiprocessing
  from multiprocessing import sharedctypes
  import signal
  import sys
  import threading
  import warnings
  import numpy
  import six
  from chainer.dataset import iterator
  from chainer.iterators import _statemachine
  from chainer.iterators.order_samplers import ShuffleOrderSampler
label_desc: Use image node_id 2 for calling the _Communicator obj's underlying member method code with example usage: obj.is_terminated() and returns: unknown