From 566a96b33af862dec594d009187fb63e5d6a61cd Mon Sep 17 00:00:00 2001
From: Fabien Pinckaers <fp@tinyerp.com>
Date: Sat, 20 Dec 2008 09:23:39 +0100
Subject: [PATCH] bugfix

bzr revid: fp@tinyerp.com-20081220082339-f7tmnksl80pugnsk
---
 bin/tools/misc.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bin/tools/misc.py b/bin/tools/misc.py
index 116a32b106b..9314d8e8055 100644
--- a/bin/tools/misc.py
+++ b/bin/tools/misc.py
@@ -631,6 +631,8 @@ def ustr(value):
 
     if (value is None) or (value is False):
         return value
+    if not value:
+        return u''
     if isinstance(value, unicode):
         return value