each table element is identified by a key

[unfold.git] / rest / templatetags / rest_filters.py

diff --git a/rest/templatetags/rest_filters.py b/rest/templatetags/rest_filters.py
index bc68393..35dbc27 100644 (file)
--- a/rest/templatetags/rest_filters.py
+++ b/rest/templatetags/rest_filters.py
@@ -4,7 +4,7 @@ register = template.Library()
 
 @register.filter(name='key')
 def key(d, key_name):
-    if d[key_name] != None :
+    if key_name in d and d[key_name] != None :
         return d[key_name]
     else :
         return ""