diff --git a/project/views.py b/project/views.py
index cfe34194..17c23078 100644
--- a/project/views.py
+++ b/project/views.py
@@ -1,7 +1,7 @@
 from datetime import datetime, timedelta
 from itertools import chain
 
-from django.db.models import Min
+from django.db.models import Min, Func, F
 from django.contrib.auth import get_user_model
 from django.views.generic import TemplateView
 from django.utils.timezone import now