val_invoice = inv_pool.onchange_partner_id(cr, uid, [], 'out_invoice', reg.partner_invoice_id.id, False, False)
val_invoice['value'].update({'partner_id': reg.partner_invoice_id.id})
val_invoice['value'].update({
val_invoice = inv_pool.onchange_partner_id(cr, uid, [], 'out_invoice', reg.partner_invoice_id.id, False, False)
val_invoice['value'].update({'partner_id': reg.partner_invoice_id.id})
val_invoice['value'].update({