code: def get_redirect_url(self, *args, **kwargs):
          
          if self.url:
              url = self.url % kwargs
          elif self.pattern_name:
              try:
                  url = reverse(self.pattern_name, args=args, kwargs=kwargs)
              except NoReverseMatch:
                  return None
          else:
              return None
          return url
docs: Return the URL redirect to. Keyword arguments from the
          URL pattern match generating the redirect request
          are provided as kwargs to this method.