--- a/iro/controller/task.py	Wed Mar 21 17:36:05 2012 +0100
+++ b/iro/controller/task.py	Wed Mar 21 19:40:06 2012 +0100
@@ -38,7 +38,7 @@
         return self.d
 
     def _run(self):
-        os= (i for i in self.job.offers)
+        os= iter(self.job.offers)
         def n():
             try:
                 offer = os.next()