speed up user answer page

anatomy/models.py

@@ -496,8 +496,8 @@ class UserAnswer(UserAnswerBase):
             exam = self.exam
         except (Exam.DoesNotExist, KeyError) as e:
             exam = "None"
-        return "{}/{}/{}: {}".format(
-            exam, self.cid, self.question.get_primary_answer(), self.answer
+        return "{}/{}: {}".format(
+            exam, self.cid, self.answer
         )
 
     def save(self, *args, **kwargs):

generic/views.py

@@ -2326,7 +2326,7 @@ class GenericViewBase:
     def question_user_answers(self, request, pk):
         question = get_object_or_404(self.question_object, pk=pk)
 
-        answers = self.cid_user_answer_object.objects.filter(question__id=question.pk)
+        answers = self.cid_user_answer_object.objects.filter(question__id=question.pk).prefetch_related("question", "exam", "user")
 
         return render(
             request,