fix_zu published_at

django/library/views.py

@@ -488,7 +488,7 @@ def copy_quiz(request, pk):
     new_quiz.base_quiz_id = pk
     new_quiz.rating_count = 0
     new_quiz.average_rating = 3.0
-    if original_quiz.published_at:
+    if original_quiz.status=="öffentlich":
         new_quiz.published_at = timezone.now()
     else:
         new_quiz.published_at = None