From ac4155c8dc3b4f54eeb9765e7f17a845d1c60075 Mon Sep 17 00:00:00 2001
From: Simon Lejeune <sle@openerp.com>
Date: Tue, 12 Dec 2017 16:28:40 +0100
Subject: [PATCH] [FIX] stock_account: onchange on product category

Don't warn when creating a product category. Related to rev 0ca4b0f373d19fcfb32c7f4db6a8cf16ec1feb58
---
 addons/stock_account/models/product.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/addons/stock_account/models/product.py b/addons/stock_account/models/product.py
index f457f25c884..24db282431d 100644
--- a/addons/stock_account/models/product.py
+++ b/addons/stock_account/models/product.py
@@ -237,6 +237,9 @@ class ProductCategory(models.Model):
 
     @api.onchange('property_cost_method')
     def onchange_property_valuation(self):
+        if not self._origin:
+            # don't display the warning when creating a product category
+            return
         return {
             'warning': {
                 'title': _("Warning"),