Edit a aggregation

def GET_AUTH(self, courseid, aggregationid=''):  # pylint: disable=arguments-differ
        """ Edit a aggregation """
        course, __ = self.get_course_and_check_rights(courseid, allow_all_staff=True)

        if course.is_lti():
            raise web.notfound()

        return self.display_page(course, aggregationid)