-
  !python {model: stock.location, id: False}: |
    main_warehouse = self.env['stock.warehouse'].browse(ref('warehouse0'))
    main_stock = main_warehouse.lot_stock_id.id
    stowar_ops = self.env['stock.warehouse.orderpoint'].search([('warehouse_id', '=', main_warehouse.id)])
    stowar_ops.write({'location_id':main_stock})