docs: def get_setting(key, **kwargs):
      """Gets a settings key or raises an improperly configured error.
  
      :param key: the settings key to get.
      :param default: the default value to return if no value is found
      """
      has_default = 'default' in kwargs
      default_val = kwargs.get('default')
  
      try:
          if has_default:
              return getattr(settings, key, default_val)
          else:
              return getattr(settings, key)
      except Exception as e:
          raise ImproperlyConfigured(
              _('"{0}" setting has not been properly set. {1}').format(key, e)
          )