message: Force the use of print function in generated code.
diff: @@ -35,6 +35,7 @@ NO_SIDE_EFFECT_CONSTRUCTORS = set(('tensorflow',))
  # TODO(mdan): Verify that these names are not hidden by generated code.
  # TODO(mdan): Make sure copybara renames the reference below.
  COMPILED_IMPORT_STATEMENTS = (
  + 'from __future__ import print_function',
  'import tensorflow as tf',
  'from tensorflow.contrib.py2tf import utils as '
  'py2tf_utils')
  