From d798452aae9ad8b813d5e0fca31418928d7eacf1 Mon Sep 17 00:00:00 2001
From: Udo Spallek <udono@virtual-things.biz>
Date: Wed, 4 Sep 2013 12:35:02 +0000
Subject: [PATCH] Allow field One2One in check_recursion.

issue3347
review1048002
---
 CHANGELOG                     | 1 +
 trytond/model/modelstorage.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 635c70f179..58ff6362ac 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Allow field One2One in check_recursion
 * Remove the default order on MPTT
 * Add grouped attribute to data tag
 * Store selection tree state
diff --git a/trytond/model/modelstorage.py b/trytond/model/modelstorage.py
index b2e8cc44ae..ff02e484b5 100644
--- a/trytond/model/modelstorage.py
+++ b/trytond/model/modelstorage.py
@@ -822,7 +822,7 @@ class ModelStorage(Model):
         '''
         parent_type = cls._fields[parent]._type
 
-        if parent_type not in ('many2one', 'many2many'):
+        if parent_type not in ('many2one', 'many2many', 'one2one'):
             raise Exception(
                 'Unsupported field type "%s" for field "%s" on "%s"'
                 % (parent_type, parent, cls.__name__))