Make session requests also work for ad-hoc groups, which may not have a parent area.

 - Legacy-Id: 16300

Author: levkowetz

ietf/secr/sreq/views.py

@@ -1,3 +1,6 @@
+# Copyright The IETF Trust 2013-2019, All Rights Reserved
+# -*- coding: utf-8 -*-
+
 import datetime
 
 from django.conf import settings
@@ -85,7 +88,7 @@ def get_requester_text(person,group):
     roles = group.role_set.filter(name__in=('chair','secr'),person=person)
     if roles:
         return '%s, a %s of the %s working group' % (person.ascii, roles[0].name, group.acronym)
-    if group.parent.role_set.filter(name='ad',person=person):
+    if group.parent and group.parent.role_set.filter(name='ad',person=person):
         return '%s, a %s Area Director' % (person.ascii, group.parent.acronym.upper())
     if person.role_set.filter(name='secr',group__acronym='secretariat'):
         return '%s, on behalf of the %s working group' % (person.ascii, group.acronym)