code: def normalize_names(names):
      if isinstance(names, six.string_types):
          return names.replace(":", "__").replace("/", "__")
      return [i.replace(":", "__").replace("/", "__") for i in names]
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import six
label_desc: Use image node_id 3 for calling a global function with example usage: normalize_names(names) and returns: unknown, names