old_contents: #   Copyright 2012-2013 OpenStack, LLC.
  #
  #   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.
  #
  
  """Modify Cliff's CommandManager"""
  
  import logging
  import pkg_resources
  
  import cliff.commandmanager
  
  
  LOG = logging.getLogger(__name__)
  
  
  class CommandManager(cliff.commandmanager.CommandManager):
      """Alters Cliff's default CommandManager behaviour to load additiona
         command groups after initialization.
      """
      def _load_commands(self, group=None):
          if not group:
              group = self.namespace
          for ep in pkg_resources.iter_entry_points(group):
              LOG.debug('found command %r' % ep.name)
              self.commands[ep.name.replace('_', ' ')] = ep
          return
  
      def add_command_group(self, group=None):
          """Adds another group of command entrypoints"""
          if group:
              self._load_commands(group)
  
new_contents: #   Copyright 2012-2013 OpenStack, LLC.
  #
  #   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.
  #
  
  """Modify Cliff's CommandManager"""
  
  import logging
  import pkg_resources
  
  import cliff.commandmanager
  
  
  LOG = logging.getLogger(__name__)
  
  
  class CommandManager(cliff.commandmanager.CommandManager):
      """Alters Cliff's default CommandManager behaviour to load additional
         command groups after initialization.
      """
      def _load_commands(self, group=None):
          if not group:
              group = self.namespace
          for ep in pkg_resources.iter_entry_points(group):
              LOG.debug('found command %r' % ep.name)
              self.commands[ep.name.replace('_', ' ')] = ep
          return
  
      def add_command_group(self, group=None):
          """Adds another group of command entrypoints"""
          if group:
              self._load_commands(group)
  
subject: Fix typo