Added better guards against passing empty data to the person profile template.

- Legacy-Id: 18623

ietf/person/views.py

@@ -68,14 +68,14 @@ def ajax_select2_search(request, model_name):
     return HttpResponse(select2_id_name_json(objs), content_type='application/json')
 
 def profile(request, email_or_name):
-
     if '@' in email_or_name:
         persons = [ get_object_or_404(Email, address=email_or_name).person, ]
     else:
         aliases = Alias.objects.filter(name=email_or_name)
         persons = list(set([ a.person for a in aliases ]))
-        if not persons:
-            raise Http404
+    persons = [ p for p in persons if p and p.id ]
+    if not persons:
+        raise Http404
     return render(request, 'person/profile.html', {'persons': persons, 'today':datetime.date.today()})