From 3980f90216d2be1697baf84082168ede471d4ea6 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Sat, 25 Jun 2022 22:33:45 +0300
Subject: [PATCH] Fixed typehint

---
 aiogram/dispatcher/router.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aiogram/dispatcher/router.py b/aiogram/dispatcher/router.py
index bad3b7ba..da0b4426 100644
--- a/aiogram/dispatcher/router.py
+++ b/aiogram/dispatcher/router.py
@@ -10,7 +10,7 @@ from .event.event import EventObserver
 from .event.telegram import TelegramEventObserver
 from .filters import BUILTIN_FILTERS
 
-INTERNAL_UPDATE_TYPES: Final[frozenset] = frozenset({"update", "error"})
+INTERNAL_UPDATE_TYPES: Final[frozenset[str]] = frozenset({"update", "error"})
 
 
 class Router: