message: Fix lite.py Python TypeError.
diff: @@ -33,6 +33,8 @@ from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  +import six
  +
  from google.protobuf import text_format as _text_format
  from google.protobuf.message import DecodeError
  from tensorflow.contrib.lite.python import lite_constants as constants
  @@ -188,6 +190,12 @@ class TocoConverter(object):
  except (_text_format.ParseError, DecodeError):
  try:
  print("Ignore 'tcmalloc: large alloc' warnings.")
  +
  + if not isinstance(file_content, str):
  + if six.PY3:
  + file_content = file_content.decode('utf-8')
  + else:
  + file_content = file_content.encode('utf-8')
  _text_format.Merge(file_content, graph_def)
  except (_text_format.ParseError, DecodeError):
  raise ValueError(
  