code: def grid_visual(*args, **kwargs):
      """Deprecation wrapper"""
      warnings.warn(
          "`grid_visual` has moved to `cleverhans.plot.pyplot_image`. "
          "cleverhans.utils.grid_visual may be removed on or after "
          "2019-04-24."
      )
      from cleverhans.plot.pyplot_image import (
          grid_visual as new_grid_visual,
      )
  
      return new_grid_visual(*args, **kwargs)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from collections import OrderedDict
  import warnings
  import logging
  import os
  import re
  import subprocess
  import numpy
  from six.moves import xrange
label_desc: Use image node_id 6 for calling a global function with example usage: grid_visual() and returns: new_grid_visual