diff --git a/migrations/versions/2021_080409_9014cca7097c_.py b/migrations/versions/2021_080409_9014cca7097c_.py
index e5d7998d..a6189c0a 100644
--- a/migrations/versions/2021_080409_9014cca7097c_.py
+++ b/migrations/versions/2021_080409_9014cca7097c_.py
@@ -16,6 +16,9 @@ down_revision = 'ffa75d04e6ef'
 branch_labels = None
 depends_on = None
 
+from sqlalchemy.orm import sessionmaker
+
+Session = sessionmaker()
 
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###