numeric_question.py

    last_answer = StudentNumericAnswer.objects.filter(numeric_question=question_id,
                                                      student=request.user.id).order_by('updated_at').last()
    if request.method == 'GET':
        if not last_answer:
            return Response(status=status.HTTP_404_NOT_FOUND)

        data = StudentNumericAnswerSerializer(last_answer, context={'request': request}).data
        # CNK cheat and add the correct answer data here for now
        if last_answer.is_answer_correct or last_answer.gave_up:
            data['correct_answer'] = {'correct_answer': question.correct_answer,
                                      'tolerance': question.tolerance}
        return Response(data)