message: Commit broke forward compat guarantees because it was supposed
  to wait 3 weeks before the python wrapper can use it.
  TODO was written but the actual change was not made.
diff: @@ -2117,4 +2117,4 @@ def in_top_k(predictions, targets, k, name=None):
  """
  with ops.name_scope(name, 'in_top_k'):
  # TODO (yongtang): Need to switch to v2 after 3 weeks.
  - return gen_nn_ops._in_top_kv2(predictions, targets, k, name=name)
  + return gen_nn_ops._in_top_k(predictions, targets, k, name=name)
  