diff --git a/seminar/migrations/0001_squashed_0098_auto_20210906_0305.py b/seminar/migrations/0001_squashed_0098_auto_20210906_0305.py
index 8bfde506..aedd460c 100644
--- a/seminar/migrations/0001_squashed_0098_auto_20210906_0305.py
+++ b/seminar/migrations/0001_squashed_0098_auto_20210906_0305.py
@@ -10,6 +10,11 @@ import imagekit.models.fields
 import seminar.models
 import taggit.managers
 
+from datetime import date
+from django.db.models import Q
+from seminar.treelib import get_parent
+import datetime as dt
+
 
 import logging
 logger = logging.getLogger(__name__)