code: def _pickle_load(pkl_file):
      """Load pickle"""
      if sys.version_info > (3, 0):
          return pkl.load(pkl_file, encoding="latin1")
      else:
          return pkl.load(pkl_file)
  
imports: import os
  import io
  import sys
  import numpy
  import pickle
  from pgl import graph
  from pgl.utils.logger import log
label_desc: Use image node_id 2 for calling a global function with example usage: _pickle_load(pkl_file) and returns: pkl, pkl