From 47a865aa5f4864888e698ec43a9a6c7695a6e317 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Sat, 27 Jan 2018 08:15:34 +0200
Subject: [PATCH] More usable ChatType checker. Allow to use message or chat
 instances.

---
 aiogram/types/chat.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/aiogram/types/chat.py b/aiogram/types/chat.py
index e86936d4..dcb38876 100644
--- a/aiogram/types/chat.py
+++ b/aiogram/types/chat.py
@@ -384,9 +384,11 @@ class ChatType(helper.Helper):
 
     @staticmethod
     def _check(obj, chat_types) -> bool:
-        if not hasattr(obj, 'chat'):
+        if hasattr(obj, 'chat'):
+            obj = obj.chat
+        if not hasattr(obj, 'type'):
             return False
-        return obj.chat.type in chat_types
+        return obj.type in chat_types
 
     @classmethod
     def is_private(cls, obj) -> bool: