code: def localize(self, formatter, translator):
          
          return self.localizable_string.localize(
              formatter,
              translator,
              *self.args,
              **self.kwargs
          )
docs: Return a localized version of the `localizable_string` passed to the
          consturctor. It is formatted using the `formatter` with the `args` and
          `kwargs` passed to the constructor of :class:`UserError`.