code: def _pickle_load(f):
      if sys.version_info > (3,):
          # python3
          return pickle.load(f, encoding="latin-1")
      else:
          # python2
          return pickle.load(f)
  
file_path: chainer/chainer/datasets/cifar.py
imports: import os
  import sys
  import tarfile
  import numpy
  import six.moves.cPickle
  import chainer
  from chainer.dataset import download
  from chainer.datasets import tuple_dataset
label_desc: Use image node_id 5 for calling a global function with example usage: _pickle_load(f) and returns: pickle, pickle