code: def apply_async(self, fn, args=None):
      args = args or tuple()
      return DummyResult(fn(*args))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import contextlib
  import datetime
  import gzip
  import os
  import re
  import urllib
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the DummyPool obj's underlying member method code with example usage: obj.apply_async(fn, args) and returns: DummyResult