--- a/sdi/views.py	Thu Jul 15 14:35:05 2010 +0530
+++ b/sdi/views.py	Thu Jul 15 14:36:23 2010 +0530
@@ -1,5 +1,5 @@
 from django.shortcuts import render_to_response, redirect
-from django.http import HttpResponse
+from django.http import HttpResponse, Http404
 from django.contrib.auth.decorators import login_required
 from django.utils.datastructures import MultiValueDictKeyError