diff --git a/ffdemo/markup/requests.py b/ffdemo/markup/requests.py
index fe6ebb9..45cee28 100644
--- a/ffdemo/markup/requests.py
+++ b/ffdemo/markup/requests.py
@@ -1,5 +1,6 @@
 from django.http import (HttpResponse, HttpResponseBadRequest,
-                         HttpResponseNotFound, HttpResponseServerError)
+                         HttpResponseForbidden, HttpResponseNotFound,
+                         HttpResponseServerError)
 from ffdemo.markup.models import Mark
 from ffdemo.markup import common
 from django.utils import simplejson