six.moves works with python2/3

The change you added did not work with python2, it does not have encoding in .log.  This fixes it. feel free to test on Python3.  I tested python2 and I am really sue this works fine for python3.  Good catch.  sorry for not having it fixed earlier.

tutorials/image/cifar10_estimator/generate_cifar10_tfrecords.py

@@ -24,10 +24,10 @@ from __future__ import division
 from __future__ import print_function
 
 import argparse
-import pickle
 import os
 
 import tarfile
+from six.moves import cPickle as pickle
 from six.moves import xrange  # pylint: disable=redefined-builtin
 import tensorflow as tf
 
@@ -63,7 +63,7 @@ def _get_file_names():
 
 def read_pickle_from_file(filename):
   with tf.gfile.Open(filename, 'rb') as f:
-    data_dict = pickle.load(f, encoding='latin1')
+    data_dict = pickle.load(f)
   return data_dict