old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import logging
  
  from rest_framework.views import APIView
  from rest_framework.response import Response
  
  logger = logging.getLogger(__name__)
  
  
  class NsPackageView(APIView):
      def do_post(self, request, format=None):
          pass
  
new_contents: # Copyright (C) 2015 ZTE, Inc. and others. All rights reserved. (ZTE)
  #
  # 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.
  import logging
  
  from rest_framework.views import APIView
  from rest_framework.response import Response
  
  logger = logging.getLogger(__name__)
  
  
  class NsPackageView(APIView):
      def do_post(self, request, format=None):
          pass
  
subject: add license header