from odoo import fields, models, api


class StockPicking(models.Model):
    _inherit = 'stock.picking'
    is_internal_use = fields.Boolean('Internal Use', help="flag which is internal use or not")
    account_id = fields.Many2one('account.account', string="Account")

    @api.onchange('picking_type_id')
    def _onchange_operation_type(self):
        self.is_internal_use = self.picking_type_id.is_internal_use
        return