diff --git a/sf_maintenance/models/sf_maintenance.py b/sf_maintenance/models/sf_maintenance.py
index 5317865f..227da80e 100644
--- a/sf_maintenance/models/sf_maintenance.py
+++ b/sf_maintenance/models/sf_maintenance.py
@@ -2,6 +2,8 @@
 import json
 import base64
 import logging
+import qrcode
+from io import BytesIO
 from datetime import timedelta
 import requests
 from odoo.addons.sf_base.commons.common import Common