text: #  Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  #
  #  Licensed under the Apache License, Version 2.0 (the "License").
  #  You may not use this file except in compliance with the License.
  #  A copy of the License is located at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  #  or in the "license" file accompanying this file. This file is distributed
  #  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  #  express or implied. See the License for the specific language governing
  #  permissions and limitations under the License.
  from __future__ import absolute_import
  