old_contents: # Copyright (c) 2014 OpenStack Foundation
  # 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.
  
  from oslo.config import cfg
  
  from neutron.extensions import portbindings
  
  eswitch_opts = [
      cfg.StrOpt('vnic_type',
                 default=portbindings.VIF_TYPE_MLNX_DIRECT,
                 help=_("Type of VM network interface: mlnx_direct or "
                        "hostdev")),
      cfg.BoolOpt('apply_profile_patch',
                  default=False,
                  help=_("Enable server compatibility with old nova ")),
  ]
  
  
  cfg.CONF.register_opts(eswitch_opts, "ESWITCH")
  
new_contents: # Copyright (c) 2014 OpenStack Foundation
  # 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.
  
  from oslo.config import cfg
  
  from neutron.extensions import portbindings
  
  eswitch_opts = [
      cfg.StrOpt('vnic_type',
                 default=portbindings.VIF_TYPE_MLNX_DIRECT,
                 help=_("Type of VM network interface: mlnx_direct or "
                        "hostdev")),
      cfg.BoolOpt('apply_profile_patch',
                  default=False,
                  help=_("Enable server compatibility with old nova")),
  ]
  
  
  cfg.CONF.register_opts(eswitch_opts, "ESWITCH")
  
subject: Remove extra space in help string