old_contents: #!/usr/bin/env python
  # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright (c) 2010 Openstack, LLC.
  # 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.
  #    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.
  
  """Module for VNC Proxying."""
  
  from nova import flags
  
  FLAGS = flags.FLAGS
  flags.DEFINE_string('vncproxy_topic', 'vncproxy',
                     'the topic vnc proxy nodes listen on')
  flags.DEFINE_string('vncproxy_url',
                     'http://127.0.0.1:6080',
                     'location of vnc console proxy, \
                      in the form "http://127.0.0.1:6080"')
  flags.DEFINE_string('vncserver_host', '0.0.0.0',
                      'the host interface on which vnc server should listen')
  flags.DEFINE_bool('vnc_enabled', True,
                    'enable vnc related features')
  
new_contents: #!/usr/bin/env python
  # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright (c) 2010 Openstack, LLC.
  # 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.
  #    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.
  
  """Module for VNC Proxying."""
  
  from nova import flags
  
  
  FLAGS = flags.FLAGS
  flags.DEFINE_string('vncproxy_topic', 'vncproxy',
                     'the topic vnc proxy nodes listen on')
  flags.DEFINE_string('vncproxy_url',
                     'http://127.0.0.1:6080',
                     'location of vnc console proxy, \
                      in the form "http://127.0.0.1:6080"')
  flags.DEFINE_string('vncserver_host', '0.0.0.0',
                      'the host interface on which vnc server should listen')
  flags.DEFINE_bool('vnc_enabled', True,
                    'enable vnc related features')
  
subject: add line