code: def test_apply_async_timeout(self):
      res = self.pool.apply_async(
          sqr,
          (
              7,
              TIMEOUT2,
          ),
      )
      self.assertFalse(res.ready())
      self.assertRaises(ValueError, res.successful)
      res.wait(TIMEOUT2 / 100)
      self.assertFalse(res.ready())
      self.assertRaises(ValueError, res.successful)
      self.assertRaises(TimeoutError, res.get, TIMEOUT2 / 100)
      res.wait()
      self.assertTrue(res.ready())
      self.assertTrue(res.successful())
      self.assertEqual(res.get(), 49)
  
imports: from mpi4py import MPI
  import mpi4py.util.pool
  import concurrent.futures
  import itertools
  import functools
  import warnings
  import unittest
  import time
  import sys
  import os
label_desc: Use image node_id 12 for calling the BaseTestPool obj's underlying member method code with example usage: obj.test_apply_async_timeout() without return types