Temporary patch for exception when trying to generate proceedings for a session which doesn't have an assigned timeslot in an official schedule. Happens all the time for interims, for example.

 - Legacy-Id: 8534

Author: levkowetz

ietf/secr/proceedings/proc_utils.py

@@ -37,7 +37,10 @@ def check_audio_files(group,meeting):
     
     '''
     for session in Session.objects.filter(group=group,meeting=meeting,status__in=('sched','schedw')):
-        timeslot = session.official_scheduledsession().timeslot
+        try:
+            timeslot = session.official_scheduledsession().timeslot
+        except IndexError:
+            continue
         room = timeslot.location.name.lower()
         room = room.replace(' ','')
         room = room.replace('/','')
@@ -50,6 +53,7 @@ def check_audio_files(group,meeting):
             if not doc:
                 create_recording(session,meeting,group,url)
 
+
 def create_recording(session,meeting,group,url):
     '''
     Creates the Document type=recording, setting external_url and creating