From 4babaeb5ef7f7ff201a550b2e5f848481747378a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 20 Jan 2010 10:59:09 +0100
Subject: [PATCH] Use PySON

---
 sale.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sale.py b/sale.py
index 07568cf34b..b9d9c606f3 100644
--- a/sale.py
+++ b/sale.py
@@ -2,6 +2,8 @@
 #this repository contains the full copyright notices and license terms.
 "Sale"
 from trytond.model import ModelView, ModelSQL, fields
+from trytond.pyson import Not, Equal, Eval
+
 
 class SaleLine(ModelSQL, ModelView):
     _name = 'sale.line'
@@ -9,7 +11,7 @@ class SaleLine(ModelSQL, ModelView):
     analytic_accounts = fields.Many2One('analytic_account.account.selection',
             'Analytic Accounts',
             states={
-                'invisible': "type != 'line'",
+                'invisible': Not(Equal(Eval('type'), 'line')),
             })
 
     def _view_look_dom_arch(self, cursor, user, tree, type, context=None):