From 1c7947c03a33ee6c7df479d8af5763ec06df49dd Mon Sep 17 00:00:00 2001
From: painor <pi.oussama@gmail.com>
Date: Sun, 3 Nov 2019 20:50:42 +0100
Subject: [PATCH] Fix pin message not accepting Message objects

---
 telethon/client/messages.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/telethon/client/messages.py b/telethon/client/messages.py
index de9e7b75..55220ec1 100644
--- a/telethon/client/messages.py
+++ b/telethon/client/messages.py
@@ -1212,6 +1212,10 @@ class MessageMethods:
         """
         if not message:
             message = 0
+        elif hasattr(message, 'id'):
+            message = message.id
+        elif not isinstance(message, int):
+            raise ValueError('Incorrect message argument')
 
         entity = await self.get_input_entity(entity)
         await self(functions.messages.UpdatePinnedMessageRequest(