@cassiopeia.type.core.common.lazyproperty
    def modify_date(self):
        return datetime.datetime.utcfromtimestamp(self.data.modifyDate / 1000) if self.data.modifyDate else None
Returns:
dataset/ETHPy150Open meraki-analytics/cassiopeia/cassiopeia/type/core/stats.py/StatsSummary.modify_date