diff -r a7147aac6990 -r 69d13e7dd286 server/python/django2/renkanmanager/serializers.py
--- a/server/python/django2/renkanmanager/serializers.py	Sun Jul 14 21:16:10 2024 +0200
+++ b/server/python/django2/renkanmanager/serializers.py	Sun Jul 14 21:59:51 2024 +0200
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import json, logging, uuid, datetime, time
 
 from django.db import transaction