.

physics/views.py

@@ -278,7 +278,7 @@ def exam_start(request, pk):
     )
 
 
-def exam_finish(request, pk, cid):
+def exam_finish(request, pk, cid, passcode=None):
     exam = get_object_or_404(Exam, pk=pk)
 
     questions = exam.exam_questions.all()
@@ -311,6 +311,7 @@ def exam_finish(request, pk, cid):
             "question_answer_tuples": question_answer_tuples,
             "answer_count": answer_count,
             "exam_length": len(questions),
+            "passcode": passcode
         },
     )
 
@@ -353,20 +354,21 @@ def exam_take(request, pk, sk, cid, passcode=None):
 
         kwargs = {
             "pk": pk,
-            "cid" : cid
+            "cid" : cid,
+            "passcode" : passcode
         }
-        if passcode is not None:
-            kwargs["passcode"] = passcode
+        take_url = "physics:exam_take"
+        finish_url = "physics:exam_finish"
 
         if "next" in request.POST:
-            return redirect("physics:exam_take", sk=pos + 1, **kwargs)
+            return redirect(take_url, sk=pos + 1, **kwargs)
         elif "previous" in request.POST:
-            return redirect("physics:exam_take", sk=pos - 1, **kwargs)
+            return redirect(take_url, sk=pos - 1, **kwargs)
         elif "finish" in request.POST:
-            return redirect("physics:exam_finish", **kwargs)
+            return redirect(finish_url, **kwargs)
         elif "goto" in request.POST:
             return redirect(
-                "physics:exam_take", sk=int(request.POST.get("goto")), **kwargs 
+                take_url, sk=int(request.POST.get("goto")), **kwargs 
             )
     else:
         form = CidUserAnswerForm(instance=answer)
@@ -394,6 +396,7 @@ def exam_take(request, pk, sk, cid, passcode=None):
             "previous": previous,
             "exam_length": exam_length,
             "pos": pos,
+            "passcode": passcode,
         },
     )