def METHOD_NAME(self):
    # return 'http://127.0.0.1:8081/'
    try:
        res = requests.get(self.SERVER_LIST)
    except requests.exceptions.ConnectionError:
        log.error("Could not access server list at: {}\n.".format(
            self.SERVER_LIST))
        return None
    for server in res.text.split('\n'):
        server = server.strip()
        if server and self.check_server_alive(server):
            return server
    return None