From 7ca3217844b25618b0885017550454b89cdf8063 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sun, 21 Aug 2011 11:20:36 +0200
Subject: [PATCH] Make PYSON more Pythonic

---
 purchase.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/purchase.py b/purchase.py
index 5fe5b9d8c8..9b2befd56e 100644
--- a/purchase.py
+++ b/purchase.py
@@ -1,7 +1,7 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 from trytond.model import ModelView, ModelSQL, fields
-from trytond.pyson import Not, Equal, Eval
+from trytond.pyson import Eval
 from trytond.transaction import Transaction
 from trytond.pool import Pool
 
@@ -45,7 +45,7 @@ class PurchaseLine(ModelSQL, ModelView):
     analytic_accounts = fields.Many2One('analytic_account.account.selection',
         'Analytic Accounts',
         states={
-            'invisible': Not(Equal(Eval('type'), 'line')),
+            'invisible': Eval('type') != 'line',
             }, depends=['type'])
 
     def _view_look_dom_arch(self, tree, type, field_children=None):