@property
def validate(self) -> bool:
    self.stock_error((lambda : self.price), f'Price in payment row is required. Price = {self._price}')
    self.stock_error((lambda : self.number), f'Number in payment row is required. Number = {self._number}')
    return super().validate
@property
def validate(self) -> bool:
    self.stock_error((lambda : self.price), f'Price in payment row is required. Price = {self._price}')
    self.stock_error((lambda : self.number), f'Number in payment row is required. Number = {self._number}')
    return super().validate