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# -*- coding: utf-8 -*-
from odoo import _, models
from odoo.exceptions import UserError
class AccountFiscalPosition(models.Model):
_inherit = "account.fiscal.position"
def write(self, vals):
if "tax_ids" in vals:
if self.env["pos.order"].sudo().search_count([("fiscal_position_id", "in", self.ids)]):
raise UserError(
_(
"You cannot modify a fiscal position used in a POS order. "
"You should archive it and create a new one."
)
)
return super(AccountFiscalPosition, self).write(vals)
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