def enable_user(cls, username):
        """ Enable user """
        ret = cls.exec_request('user/{}'.format(username), 'put', account_status=1)
        logger.debug(ret)
        if cls._response_ok(ret):
            logger.info("Enabled SeAT user with username %s" % username)
            return username
        logger.info("Failed to enabled SeAT user with username %s" % username)
        return None