new_contents: #    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.
  
  from oslotest import base as test_base
  
  # Do NOT change this to new namespace, it's testing the old namespace
  # passing hacking. Do NOT add a #noqa line, the point is this has to
  # pass without it.
  from oslo.concurrency import lockutils
  
  
  class ImportTestCase(test_base.BaseTestCase):
      """Test that lockutils can be imported from old namespace.
  
      This also ensures that hacking rules on this kind of import will
      work for the rest of OpenStack.
  
      """
  
      def test_imported(self):
          self.assertEqual(len(lockutils._opts), 2,
                           "Lockutils.opts: %s" % lockutils._opts)
  
subject: test compatibility for old imports