From a76c31ede2c0ed65ee65f016d374fa7ca97d8071 Mon Sep 17 00:00:00 2001
From: Lonami Exo <totufals@hotmail.com>
Date: Mon, 11 Sep 2017 12:53:39 +0200
Subject: [PATCH] Add lru_cache decorator to .get_entity()

---
 telethon/telegram_client.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/telethon/telegram_client.py b/telethon/telegram_client.py
index ca5ca067..31785ffb 100644
--- a/telethon/telegram_client.py
+++ b/telethon/telegram_client.py
@@ -1,6 +1,7 @@
 import os
 import threading
 from datetime import datetime, timedelta
+from functools import lru_cache
 from mimetypes import guess_type
 from threading import Thread
 
@@ -850,6 +851,7 @@ class TelegramClient(TelegramBareClient):
 
     # region Small utilities to make users' life easier
 
+    @lru_cache()
     def get_entity(self, entity):
         """Turns an entity into a valid Telegram user or chat.
            If "entity" is a string, and starts with '+', or if