From 3f75d1b1007d9ddcbcade747833e631817432486 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 14 Jun 2008 19:09:11 +0200
Subject: [PATCH] Test key 'states' before use it for issue123

---
 trytond/osv/orm.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/trytond/osv/orm.py b/trytond/osv/orm.py
index 4e00efb083..0bc255672c 100644
--- a/trytond/osv/orm.py
+++ b/trytond/osv/orm.py
@@ -1755,7 +1755,8 @@ class ORM(object):
                     res[field][arg] = getattr(self._columns[field], arg)
             if not write_access:
                 res[field]['readonly'] = True
-                if 'readonly' in res[field]['states']:
+                if res[field].get('states') and \
+                        'readonly' in res[field]['states']:
                     res[field]['states'] = res[field]['states'].copy()
                     del res[field]['states']['readonly']
             for arg in ('digits', 'invisible'):