account_move.py

# Copyright 2021 Le Filament (<http://www.le-filament.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import models


class FumocAccountMove(models.Model):
    _inherit = 'account.move'

    def _get_invoiced_lot_values(self):
        """
        Inherit function to return expiration_date in dict
        """
        result = super(FumocAccountMove, self)._get_invoiced_lot_values()
        for lot_values in result:
            lot_id = self.env['stock.production.lot'].\
                browse(lot_values.get('lot_id'))
            lot_values['expiration_date'] = lot_id.expiration_date
        return result