code: def base_64_to_object(b64str):
      """
      Inverse of object_to_base_64.
      Decode base64-encoded string and then unpickle it.
      """
      decoded = base64.b64decode(b64str)
      return pickle.loads(decoded)
  
imports: from __future__ import absolute_import, unicode_literals
  import base64
  import hashlib
  import json
  import logging
  import os
  import pickle
  from builtins import str
  import numpy
  from atm.compat import getargs
label_desc: Use image node_id 6 for calling a global function with example usage: base_64_to_object(b64str) and returns: pickle