def save(self, *args, **kwargs):
        super(OrderPayment, self).save(*args, **kwargs)
        self._recalculate_paid()

        if self.currency != self.order.currency:
            self.order.notes += (
                u'\n' + self % _('Currency of payment %s does not match.'))
            self.order.save()
dataset/ETHPy150Open matthiask/plata/plata/shop/models.py/OrderPayment.save/swapped operands of `%`