X-Git-Url: https://git.mdrn.pl/koed-quiz.git/blobdiff_plain/77043beb3285d1bb46534e29853e579044132726..4c14e51225e284c5b81d53e7f6a5cd0f46ec4d05:/apps/quiz/views.py

diff --git a/apps/quiz/views.py b/apps/quiz/views.py
index 18a268f..3bd3a84 100644
--- a/apps/quiz/views.py
+++ b/apps/quiz/views.py
@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+# This file is part of KOED-Quiz, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 from django.shortcuts import get_object_or_404, render, redirect
 
 from quiz.forms import QuestionForm
@@ -18,7 +22,7 @@ def question(request, slug=None):
         cur_index = ticket.index(request.path)
         if cur_index:
             previous_url = ticket[cur_index - 1]
-    else:
+    elif ticket:
         valid_url = ticket[-1]
 
     if request.method == 'POST' and valid: