diff --git a/misskaty/helper/kuso_utils.py b/misskaty/helper/kuso_utils.py
index 92c0faa2..c016c0da 100644
--- a/misskaty/helper/kuso_utils.py
+++ b/misskaty/helper/kuso_utils.py
@@ -5,6 +5,7 @@ from html import escape
 import chevron
 from bs4 import BeautifulSoup
 from telegraph.aio import Telegraph
+from typing import Optional
 
 from misskaty import BOT_USERNAME
 from misskaty.helper.http import fetch