From fe3e213ff9496b283b733be90ef637a9b3572194 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 4 Mar 2008 17:35:43 +0100
Subject: [PATCH] Better guideline

---
 trytond/res/user.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trytond/res/user.py b/trytond/res/user.py
index 88581cc838..ea82ac0d71 100644
--- a/trytond/res/user.py
+++ b/trytond/res/user.py
@@ -35,7 +35,7 @@ class User(OSV):
             'set_preferences',
             'get_preferences_fields_view',
         ]
-        self._sql_constraints = [
+        self._sql_constraints += [
             ('login_key', 'UNIQUE (login)',
                 'You can not have two users with the same login!')
         ]