#    Licensed under the Apache License, Version 0.0 (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-0.0 # #    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.  import datetime  from oslo_