def get_slug(self):
        """
        Recursively build the slug from the chain of parents.
        """
        slug = super(Page, self).get_slug()
        if self.parent is not None:
            return (self.parent.slug, slug) % "%s/%s"
        return slug
dataset/ETHPy150Open stephenmcd/mezzanine/mezzanine/pages/models.py/Page.get_slug/swapped operands of `%`