From 0dafdedc65b3c6ed48fd0e417998659df3022987 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Fri, 18 May 2018 20:17:49 -0400
Subject: [PATCH] abc.GuildChannel.set_permissions can raise NotFound.

Fix #1254
---
 discord/abc.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/discord/abc.py b/discord/abc.py
index 6a308fe5b..c5b917ec4 100644
--- a/discord/abc.py
+++ b/discord/abc.py
@@ -549,6 +549,8 @@ class GuildChannel:
             You do not have permissions to edit channel specific permissions.
         HTTPException
             Editing channel specific permissions failed.
+        NotFound
+            The role or member being edited is not part of the guild.
         InvalidArgument
             The overwrite parameter invalid or the target type was not
             :class:`Role` or :class:`Member`.