def compute_total(self):
    return Decimal(round((self.compute_subtotal() + self.compute_taxes()), 2)).quantize(Decimal('.01'), rounding=ROUND_HALF_UP)
def compute_total(self):
    return Decimal(round((self.compute_subtotal() + self.compute_taxes()), 2)).quantize(Decimal('.01'), rounding=ROUND_HALF_UP)