def latest(self, column):
        """Return the latest item, based on the given column."""

        clone = self._clone()
        clone.order_by(column % '-%s')
        if clone.count() == 0:
            raise clone.sql_model.DoesNotExist(
                '%s matching query does not exist.' %
                self.sql_model.__class__.__name__)
        return clone[0]
dataset/ETHPy150Open mozilla/addons-server/src/olympia/editors/sql_model.py/RawSQLManager.latest/swapped operands of `%`