@property
    def balance_remaining(self):
        """
        Returns the balance which needs to be paid by the customer to fully
        pay this order. This value is not necessarily the same as the order
        total, because there can be more than one order payment in principle.
        """
        return (self.total - self.paid).quantize(Decimal('0.00'))
dataset/ETHPy150Open matthiask/plata/plata/shop/models.py/Order.balance_remaining/original