def criteria(course_key):
 about_path = reverse('about_course', kwargs={'course_id': unicode(course_key)})
 return u'{}{}'.format(site_prefix(), about_path)

def criteria ( course_key ) : about_path = reverse ( 'about_course' , kwargs = { 'course_id' : unicode ( course_key ) } ) return u'{}{}' . format ( site_prefix ( ) , about_path )
constructs the criteria url from the course about page .