From c39cc06908e2e918959c5f2cc5dddc8a67463ffb Mon Sep 17 00:00:00 2001
From: "Dmitry D. Chernov" <blackdoomer@yandex.ru>
Date: Mon, 11 Feb 2019 05:47:09 +1000
Subject: [PATCH] Fix incorrect check for reserved data prefix in
 ConnectionTcpObfuscated

---
 telethon/network/connection/tcpobfuscated.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/telethon/network/connection/tcpobfuscated.py b/telethon/network/connection/tcpobfuscated.py
index e3a00d89..adac2d67 100644
--- a/telethon/network/connection/tcpobfuscated.py
+++ b/telethon/network/connection/tcpobfuscated.py
@@ -28,7 +28,7 @@ class ConnectionTcpObfuscated(ConnectionTcpAbridged):
         keywords = (b'PVrG', b'GET ', b'POST', b'\xee\xee\xee\xee')
         while True:
             random = os.urandom(64)
-            if (random[0] != b'\xef' and
+            if (random[0] != 0xef and
                     random[:4] not in keywords and
                     random[4:4] != b'\0\0\0\0'):
                 break