message: Removed stray/dead code that snuck in there in an earlier change.
diff: @@ -19,7 +19,6 @@ from __future__ import print_function
  import gzip
  import os
  -import sys
  import zlib
  import numpy as np
  @@ -43,9 +42,6 @@ from tensorflow.python.platform import test
  from tensorflow.python.util import compat
  -PY3 = sys.version_info[0] == 3
  -
  -
  class TextLineDatasetTestBase(test.TestCase):
  def _lineText(self, f, l):
  