.

2021-09-11 19:01:59 +01:00
parent fd1c7f8a4b
commit 16db81fb44
1 changed files with 8 additions and 7 deletions
@@ -663,13 +663,14 @@ def mark_answer(request, exam_id, question_number, cid):
    previous_cid = False
    next_cid = False

-    if cid_list[0] == cid:
-        next_cid = cid_list[1]
-    elif cid_list[-1] == cid:
-        previous_cid = cid_list[-2]
-    else:
-        next_cid = cid_list[cid_list.index(cid)+1]
-        previous_cid = cid_list[cid_list.index(cid)-1]
+    if len(cid_list) > 1:
+        if cid_list[0] == cid:
+            next_cid = cid_list[1]
+        elif cid_list[-1] == cid:
+            previous_cid = cid_list[-2]
+        else:
+            next_cid = cid_list[cid_list.index(cid)+1]
+            previous_cid = cid_list[cid_list.index(cid)-1]

    try:
        unmarked = question.get_unmarked_answers()