From a45bf52fe7ba62ca229788848a3262fc0305df17 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Sat, 25 Jul 2015 13:51:01 +0200
Subject: [PATCH] check for result of update() function

---
 integrator/collection_macros.pt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/integrator/collection_macros.pt b/integrator/collection_macros.pt
index 8c3e898..57e5a4b 100644
--- a/integrator/collection_macros.pt
+++ b/integrator/collection_macros.pt
@@ -2,7 +2,7 @@
 
 
 <metal:block define-macro="render_collection"
-             tal:define="dummy item/update">
+             tal:condition="item/update">
 
   <metal:block use-macro="view/concept_macros/conceptdata">
     <metal:fill tal:condition="item/editable"