@property
    def data(self):
        if self._data is None:
            self._data = DataColumn.get(self.db_id)
        return self._data
Called when Client looses connection.
dataset/ETHPy150Open Net-ng/kansha/kansha/column/comp.py/Column.data--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/server/portal/imc2.py/IMC2BotFactory.clientConnectionLost