def _get_price_reduce_tax(self):
    for record in self:
        tax_ids = record.sudo().product_id.taxes_id.filtered((lambda r: (r.company_id == record.event_id.company_id)))
        taxes = tax_ids.compute_all(record.price_reduce, record.event_id.company_id.currency_id, 1.0, product=record.product_id)
        record.price_reduce_taxinc = taxes['total_included']
def _get_price_reduce_tax(self):
    for record in self:
        tax_ids = record.sudo().product_id.taxes_id.filtered((lambda r: (r.company_id == record.event_id.company_id)))
        taxes = tax_ids.compute_all(record.price_reduce, record.event_id.company_id.currency_id, 1.0, product=record.product_id)
        record.price_reduce_taxinc = taxes['total_included']