@property
def validate(self) -> bool:
    self.stock_error((lambda : self.subtotal_price_item), f'Subtotal price item in Shipping handling row is required. Subtotal price item = {self.subtotal_price_item}')
    return super().validate
@property
def validate(self) -> bool:
    self.stock_error((lambda : self.subtotal_price_item), f'Subtotal price item in Shipping handling row is required. Subtotal price item = {self.subtotal_price_item}')
    return super().validate