def allow_syncdb(self, db, model):
        if self._get_database_name(model) == db:
            return True
        return None
Set the last-updated timestamp to the current date/time.
dataset/ETHPy150Open baskoopmans/djcommon/djcommon/routers.py/ModelDatabaseRouter.allow_syncdb--crossover with--dataset/ETHPy150Open openelections/openelections-core/openelex/models.py/TimestampMixin.update_timestamp