From 0e91fc36684778a2398bdf90877256a1da063f50 Mon Sep 17 00:00:00 2001
From: Lonami Exo <totufals@hotmail.com>
Date: Mon, 27 Aug 2018 17:19:10 +0200
Subject: [PATCH] Manually register webp mimetype

Otherwise, sending stickers would fail on some systems.
---
 telethon/utils.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/telethon/utils.py b/telethon/utils.py
index 81dd9f23..b1a5ddc8 100644
--- a/telethon/utils.py
+++ b/telethon/utils.py
@@ -24,6 +24,10 @@ try:
 except ImportError:
     hachoir = None
 
+# .webp mimetype is unknown on some operative systems, so stickers won't
+# work. Manually register it here to make sure stickers work everywhere.
+mimetypes.add_type('image/webp', '.webp')
+
 USERNAME_RE = re.compile(
     r'@|(?:https?://)?(?:www\.)?(?:telegram\.(?:me|dog)|t\.me)/(joinchat/)?'
 )