def __init__(self, token, expiry_time, user_id):
        """
        :type token: str
        :type expiry_time: datetime.datetime
        """

        self._token = token
        self._expiry_time = expiry_time
        self._user_id = user_id
def __init__ ( self , token , expiry_time , user_id ) : self . _token = token self . _expiry_time = expiry_time self . _user_id = user_id
:type token: str
        :type expiry_time: datetime.datetime