From 73e32552ff52223172bf5660534fb424d9bcef18 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Thu, 30 Aug 2012 16:07:01 +0200
Subject: [PATCH] avoid display value of None, should always be a string

---
 composer/schema/field.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/composer/schema/field.py b/composer/schema/field.py
index c38b118..e000e02 100644
--- a/composer/schema/field.py
+++ b/composer/schema/field.py
@@ -186,6 +186,7 @@ class FieldInstance(object):
 
     clientInstance = None
     value = undefined
+    request = None
 
     def __init__(self, context):
         self.context = context
@@ -402,5 +403,5 @@ class DropdownFieldInstance(FieldInstance):
         for item in items:
             if item['token'] == value:
                 return item['title']
-        return value
+        return value or u''