diff --git a/dagfactory/settings.py b/dagfactory/settings.py
index 82f76c0f..a036b34f 100644
--- a/dagfactory/settings.py
+++ b/dagfactory/settings.py
@@ -1,3 +1,4 @@
+from __future__ import annotations
 import os
 
 from airflow.configuration import conf