diff --git a/note_kfet/views.py b/note_kfet/views.py
index f93c52c2..e8f9f019 100644
--- a/note_kfet/views.py
+++ b/note_kfet/views.py
@@ -7,6 +7,7 @@ from django.views.generic import RedirectView
 from note.models import Alias
 from permission.backends import PermissionBackend
 from django.http import JsonResponse
+import os
 
 
 class IndexView(LoginRequiredMixin, RedirectView):