Exception TypeError: unhashable type: 'list'

def UpdateData(self):
    trigger_of_data = False
    first_operation = True
    for _data_now in (
            self.CheckForFollowers(self.getID(self.username)), self.CheckForFollowing(self.getID(self.username))):
        _action = ('subscriptions', 'followers',)[first_operation]
        _data_db = (self.subscriptions, self.followers)[first_operation]

        d = dict()

        **result = d[tuple((set(_data_now) ^ set(_data_db)))]**
        print(set(_data_db))
        print(set(_data_now))
        if result != [] and len(_data_now) > len(_data_db):
            for _result in result:
                temp_message = (str(self.username), str(self.IdInUsername(_result)))[first_operation]
                _temp_message = (str(self.IdInUsername(_result)), str(self.username))[first_operation]
                self.tg_bot.send_message(593069749, temp_message + " подписался на " + _temp_message + \
                                         f"\nСыллка на профиль: https://www.instagram.com/{self.IdInUsername(_result)}/"
                                         )
            trigger_of_data = True
        result = list(set(_data_db) - set(_data_now))
        if result != [] and len(_data_db) > len(_data_now):
            for _result in result:
                temp_message = (str(self.username), str(self.IdInUsername(_result)))[first_operation]
                _temp_message = (str(self.IdInUsername(_result)), str(self.username))[first_operation]
                self.tg_bot.send_message(593069749, temp_message + " отписался от " + _temp_message + \
                                         f"\nСыллка на профиль: https://www.instagram.com/{self.IdInUsername(_result)}/"
                                         )
                trigger_of_data = True
        if trigger_of_data:
            self.db.update_request(self.username, _action, _data_now)
        first_operation = False
        trigger_of_data = False