Only try to populate the liaison user/email list from the from_entity if it's set.

 - Legacy-Id: 2904

Author: levkowetz

ietf/liaisons/views.py

@@ -77,8 +77,11 @@ def get_info(request):
                        'needs_approval': from_entity.needs_approval(person=person),
                        'post_only': from_entity.post_only(person=person, user=request.user)})
     if is_secretariat(request.user):
-        full_list = [(i.pk, i.email()) for i in from_entity.full_user_list()]
-        full_list.sort(lambda x,y: cmp(x[1], y[1]))
+        if from_entity:
+            full_list = [(i.pk, i.email()) for i in from_entity.full_user_list()]
+            full_list.sort(lambda x,y: cmp(x[1], y[1]))
+        else:
+            full_list = []
         full_list = [(person.pk, person.email())] + full_list
         result.update({'full_list': full_list})
     json_result = simplejson.dumps(result)