code: def _load_none(obj_type, transferer, json_annotation, json_obj):
      return None
  
imports: import base64
  import functools
  import pickle
  import sys
  from collections import OrderedDict, defaultdict, namedtuple
  from copy import copy
  from datetime import datetime, timedelta
label_desc: Use image node_id 4 for calling a global function with example usage: _load_none(obj_type, transferer, json_annotation, json_obj) and returns: None