code: def listify(value):
      """Ensures that the value is a list. If it is not a list, it creates a new list with `value` as an item."""
      if not isinstance(value, list):
          value = [value]
      return value
  
imports: from __future__ import absolute_import
  from __future__ import division
  import os
  import tempfile
  import math
  import json
  import six
  import numpy
  import matplotlib.font_manager
  from skimage import io, transform
  from keras import backend
  from keras.models import load_model
  import logging
label_desc: Use image node_id 4 for calling a global function with example usage: listify(value) and returns: value