From 9b4a2dc7cb073ab76a3f62cfb0176f4f8b99bc94 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sun, 8 Oct 2017 07:57:58 -0400
Subject: [PATCH] [commands] Minor speed-up for the BucketType.guild case.
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None case:
344ns ± 24.4ns -> 49.9ns ± 1.39ns

Valid case:
128ns ± 2.76ns -> 42.7ns ± 0.459ns
---
 discord/ext/commands/cooldowns.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/ext/commands/cooldowns.py b/discord/ext/commands/cooldowns.py
index 81184e4b1..e39e30349 100644
--- a/discord/ext/commands/cooldowns.py
+++ b/discord/ext/commands/cooldowns.py
@@ -108,7 +108,7 @@ class CooldownMapping:
         if bucket_type is BucketType.user:
             return msg.author.id
         elif bucket_type is BucketType.guild:
-            return getattr(msg.guild, 'id', msg.author.id)
+            return (msg.guild or msg.author).id
         elif bucket_type is BucketType.channel:
             return msg.channel.id