old_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.
  
  import itertools
  
  import octavia.common.config
  
  
  def list_opts():
      return [
          ('DEFAULT',
           itertools.chain(octavia.common.config.core_opts)),
          ('amphora_agent', octavia.common.config.amphora_agent_opts),
          ('networking', octavia.common.config.networking_opts),
          ('oslo_messaging', octavia.common.config.oslo_messaging_opts),
          ('keystone_authtoken_v3',
           octavia.common.config.keystone_authtoken_v3_opts),
          ('haproxy_amphora', octavia.common.config.haproxy_amphora_opts),
          ('health_manager', octavia.common.config.healthmanager_opts),
          ('controller_worker', octavia.common.config.controller_worker_opts),
          ('task_flow', octavia.common.config.task_flow_opts),
          ('certificates', octavia.common.config.certificate_opts),
          ('house_keeping', octavia.common.config.house_keeping_opts)
          ('keepalived_vrrp', octavia.common.config.keepalived_vrrp_opts)
      ]
  
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.
  
  import itertools
  
  import octavia.common.config
  
  
  def list_opts():
      return [
          ('DEFAULT',
           itertools.chain(octavia.common.config.core_opts)),
          ('amphora_agent', octavia.common.config.amphora_agent_opts),
          ('networking', octavia.common.config.networking_opts),
          ('oslo_messaging', octavia.common.config.oslo_messaging_opts),
          ('keystone_authtoken_v3',
           octavia.common.config.keystone_authtoken_v3_opts),
          ('haproxy_amphora', octavia.common.config.haproxy_amphora_opts),
          ('health_manager', octavia.common.config.healthmanager_opts),
          ('controller_worker', octavia.common.config.controller_worker_opts),
          ('task_flow', octavia.common.config.task_flow_opts),
          ('certificates', octavia.common.config.certificate_opts),
          ('house_keeping', octavia.common.config.house_keeping_opts),
          ('keepalived_vrrp', octavia.common.config.keepalived_vrrp_opts)
      ]
  
subject: Fix a small bug when list opts