code: def get_action_manager():
      
      mod = SETTINGS.get('MANAGER', 'actstream.managers.ActionManager')
      mod_path = mod.split('.')
      try:
          return getattr(__import__('.'.join(mod_path[:-1]), {}, {},
                                    [mod_path[-1]]), mod_path[-1])()
      except ImportError:
          raise ImportError(
              'Cannot import %s try fixing ACTSTREAM_SETTINGS[MANAGER]'
              'setting.' % mod
          )
docs: Returns the class of the action manager to use from ACTSTREAM_SETTINGS['MANAGER']