From 7346326bc3400d57714289a9ceacccf3ea2e98f1 Mon Sep 17 00:00:00 2001
From: eternnoir <eternnoir@gmail.com>
Date: Sat, 17 Oct 2015 02:30:22 +0800
Subject: [PATCH] Fix video's thumb type forgot de_json.

---
 telebot/types.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/telebot/types.py b/telebot/types.py
index 5de17ae..c262663 100644
--- a/telebot/types.py
+++ b/telebot/types.py
@@ -342,7 +342,9 @@ class Video(JsonDeserializable):
         width = obj['width']
         height = obj['height']
         duration = obj['duration']
-        thumb = obj.get('thumb')
+        thumb = None
+        if 'thumb' in obj:
+            thumb = PhotoSize.de_json(obj['thumb'])
         mime_type = obj.get('mime_type')
         file_size = obj.get('file_size')
         return cls(file_id, width, height, duration, thumb, mime_type, file_size)