[FIX] sale_stock: onchange warning for packaging

addons/product/product_view.xml

@@ -136,7 +136,7 @@
                                 <field name="seller_ids"/>
                                 <group name="packaging" string="Packaging"
                                     colspan="4"
-                                    attrs="{'invisible':[('type', 'not in', ['product, consu'])]}"
+                                    attrs="{'invisible':[('type', 'not in', ['product', 'consu'])]}"
                                     groups="product.group_stock_packaging">
                                     <field name="packaging_ids" nolabel="1"/>
                                 </group>

addons/sale_stock/sale_stock.py

@@ -172,15 +172,17 @@ class SaleOrderLine(models.Model):
 
     @api.multi
     def _check_package(self):
-        default_uom = self.product_id.product_uom
+        default_uom = self.product_id.uom_id
         pack = self.product_packaging
         qty = self.product_uom_qty
-        q = self.product_id.product_uom._compute_qty(pack.qty, default_uom)
+        q = self.env['product.uom']._compute_qty_obj(default_uom, pack.qty, self.product_uom)
         if qty and q and (qty % q):
             newqty = qty - (qty % q) + q
             return {
-               'title': _('Warning!'),
-               'message': _("This product is packaged by %d %s. You should sell %d %s.") % (pack.qty, default_uom, newqty, default_uom)
+                'warning': {
+                    'title': _('Warning'),
+                    'message': _("This product is packaged by %d . You should sell %d .") % (pack.qty, newqty),
+                },
             }
         return {}