code: def _numpy_do_teardown():
      global _old_python_random_state
      global _old_numpy_random_state
      random.setstate(_old_python_random_state)
      numpy.random.set_state(_old_numpy_random_state)
      _old_python_random_state = None
      _old_numpy_random_state = None
  
imports: from __future__ import absolute_import
  import atexit
  import functools
  import os
  import random
  import types
  import numpy
  from chainer.backends import cuda
  from chainer.testing import _bundle
label_desc: Use image node_id 2 for calling a global function with example usage: _numpy_do_teardown() without return types