@api.depends('calculate')
def _compute_amount(self):
    """
    Compute the amounts of the SO line.
    """
    for line in self:
        linePrice = line.price_unit * (1 - (0.0) / 100.0)

        if line.calculate:

            if line.calculate=='product_pcs':

                taxes = line.tax_ids.compute_all(linePrice,line.order_id.currency_id, line.product_pcs)


            elif line.calculate=='gross_weight':
                taxes = line.tax_ids.compute_all(linePrice, line.order_id.currency_id, line.gross_weight)

            elif line.calculate=='measure':
                taxes = line.tax_ids.compute_all(linePrice, line.order_id.currency_id, line.measure)

            else:

                taxes={
                        'total_included':0,
                       'total_excluded':0

                       }
           

            for tax in taxes:
                price_tax=tax['total_included'] - tax['total_excluded'],
                # getting error after this line

                price_total=tax['total_included'],
                price=tax['total_excluded']

        else:
            price_tax = False
            price_total = False
            price = False

        


        line.update({
            'price_tax': price_tax,
            'price_total':price_total,
            'price': price
        })