old_contents: 
  def parse_options_from_settings(settings, settings_prefix):
      """ Parse options for use with Keystone """
      def sget(name, default=None):
          return settings.get(settings_prefix + name, default)
     
  def setup_keystone(config, settings_prefix='keystone.'):
      """ Register a function that does the keystone setup
  
      This function is available on the Pyramid configurator after
      including the package:
  
      .. code-block:: python
  
         config.setup_keystone(settings_prefix='keystone.')
  
      By default this will attempt to setup keystone using the
      settings_prefix='keystone.', when called again with a different name, will
      override previous setup
      """
  
      def register():
          registry = config.registry
          opts = parse_options_from_settings(
              registry.settings, settings_prefix)
  
      config.action(('keystone-configure', extension), register)
  
  def includeme(config):
      """ Set up standard configurator registrations.  Use via:
  
      .. code-block:: python
  
         config = Configurator()
         config.include('pyramid_keystone')
      
      """
      config.add_directive('setup_keystone', setup_keystone)
  
  
new_contents: 
  
  
  
  
  
  def includeme(config):
      """ Set up standard configurator registrations.  Use via:
  
      .. code-block:: python
  
         config = Configurator()
         config.include('pyramid_keystone')
      """
  
  
subject: Remove functionality from copy