From 9ecffed4584cbfffb7332b70292b34eede0ae31e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 2 Jan 2015 15:50:32 +0100
Subject: [PATCH] Redefine _order instead of duplicate order on id

issue3439
review9951004
---
 sale.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sale.py b/sale.py
index 4406d2f485..20910534e9 100644
--- a/sale.py
+++ b/sale.py
@@ -174,8 +174,10 @@ class Sale(Workflow, ModelSQL, ModelView, TaxableMixin):
     @classmethod
     def __setup__(cls):
         super(Sale, cls).__setup__()
-        cls._order.insert(0, ('sale_date', 'DESC'))
-        cls._order.insert(1, ('id', 'DESC'))
+        cls._order = [
+            ('sale_date', 'DESC'),
+            ('id', 'DESC'),
+            ]
         cls._error_messages.update({
                 'invalid_method': ('Invalid combination of shipment and '
                     'invoicing methods on sale "%s".'),