def get_navigation_url(self):
        """
        Return either ``redirect_to`` if it is set, or the URL of this page.
        """

        if self.redirect_to:
            return self.get_redirect_to_target()
        return self._cached_url

        Return either ``redirect_to`` if it is set, or the URL of this page.
        
feincms/module/page/models.py