From 0936181bf67a029c08a7e9a625edb95047734c80 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Sat, 18 Apr 2015 09:33:21 +0200
Subject: [PATCH] avoid error because of missing description field

---
 knowledge/survey/browser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/knowledge/survey/browser.py b/knowledge/survey/browser.py
index 502429b..864f62f 100644
--- a/knowledge/survey/browser.py
+++ b/knowledge/survey/browser.py
@@ -254,7 +254,7 @@ class SurveyView(ConceptView):
         for opt in self.answerOptions:
             value = str(opt['value'])
             result.append(dict(value=value, checked=(setting == value), 
-                                title=opt['description']))
+                               title=opt.get('description') or u''))
         return result
 
     def getTextValue(self, question):