Since #106658, https://github.com/odoo/odoo/blob/348265db3ddb90a982b0fb60f2d8b1085ceaaf2a/addons/purchase/models/purchase.py#L338 https://github.com/odoo/odoo/blob/348265db3ddb90a982b0fb60f2d8b1085ceaaf2a/addons/sale/models/sale_order.py#L1198 trigger error when no partner_ids in kwargs. Fix them. closes odoo/odoo#107521 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>