code: def test_error_during_result_pickle_on_worker(self):
      # Check problem occurring while pickling a task result
      # on workers
      self._check_crash(PicklingError, _return_instance, ErrorAtPickle)
  
imports: import contextlib
  import queue
  import signal
  import sys
  import time
  import unittest
  import unittest.mock
  from pickle import PicklingError
  from concurrent import futures
  from concurrent.futures.process import BrokenProcessPool, _ThreadWakeup
  from test import support
  from .util import create_executor_tests, setup_module, ProcessPoolForkMixin, ProcessPoolForkserverMixin, ProcessPoolSpawnMixin
label_desc: Use image node_id 12 for calling the ExecutorDeadlockTest obj's underlying member method code with example usage: obj.test_error_during_result_pickle_on_worker() without return types