text: #
  # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License 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.
  
  # NOTE(licanwei): Do eventlet monkey patching here, instead of in
  # common/service.py.  This allows the API service to run without monkey
  # patching under Apache (which uses its own concurrency model). Mixing
  # concurrency models can cause undefined behavior and potentially API timeouts.
  import eventlet
  
  eventlet.monkey_patch()
  