From fb6c687117c02240d5e04c4305ec6a31d526d7b7 Mon Sep 17 00:00:00 2001
From: Oleg A <t0rr@mail.ru>
Date: Tue, 30 Mar 2021 23:19:02 +0300
Subject: [PATCH] fix: explicit None return + typing

---
 aiogram/contrib/middlewares/i18n.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/aiogram/contrib/middlewares/i18n.py b/aiogram/contrib/middlewares/i18n.py
index 58ef42b2..24c06671 100644
--- a/aiogram/contrib/middlewares/i18n.py
+++ b/aiogram/contrib/middlewares/i18n.py
@@ -136,6 +136,7 @@ class I18nMiddleware(BaseMiddleware):
             *_, data = args
             language = data['locale'] = locale.language
             return language
+        return None
 
     async def trigger(self, action, args):
         """