code: def test_passing_args_threads(self):
      self._passing_args_impl(lambda: ThreadPool(10))
  
imports: import time
  import unittest
  import numpy
  from multiprocessing import Process, Manager
  from psutil import pid_exists
  from petastorm.workers_pool import EmptyResultError
  from petastorm.workers_pool.dummy_pool import DummyPool
  from petastorm.workers_pool.process_pool import ProcessPool
  from petastorm.workers_pool.tests.stub_workers import CoeffMultiplierWorker, WorkerIdGeneratingWorker, WorkerMultiIdGeneratingWorker, SleepyWorkerIdGeneratingWorker, ExceptionGeneratingWorker_5, PreprogrammedReturnValueWorker
  from petastorm.workers_pool.thread_pool import ThreadPool
label_desc: Use image node_id 3 for calling the TestWorkersPool obj's underlying member method code with example usage: obj.test_passing_args_threads() without return types