def content_types(self):
        """
        Returns a list of content types registered for this region as a list
        of (content type key, beautified content type name) tuples
        """

        return [
            (ct.__name__.lower(), ct._meta.verbose_name) for ct in self._content_types
        ]

        Returns a list of content types registered for this region as a list
        of (content type key, beautified content type name) tuples
        
feincms/models.py