Implement radio buttons for the sentiment selector

core/views/ui/drilldown.py

@@ -1,7 +1,7 @@
 import json
 
 from django.conf import settings
-from django.http import HttpResponse, HttpResponseForbidden, JsonResponse
+from django.http import HttpResponse, JsonResponse
 from django.shortcuts import render
 from django.views import View
 from rest_framework.parsers import FormParser