code: def do_teardown():
      if cuda.available:
          _cupy_testing_random().do_teardown()
      else:
          _numpy_do_teardown()
  
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 5 for calling a global function with example usage: do_teardown() without return types