From e24914be0b4eb64599a4dd4037505411adf66f28 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Tue, 12 Sep 2017 04:22:13 -0400
Subject: [PATCH] [commands] Fix NameError when given an invalid prefix.

Closes #775
---
 discord/ext/commands/bot.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/ext/commands/bot.py b/discord/ext/commands/bot.py
index 5b872f88c..048b2f4dc 100644
--- a/discord/ext/commands/bot.py
+++ b/discord/ext/commands/bot.py
@@ -809,7 +809,7 @@ class BotBase(GroupMixin):
             ret = [p for p in ret if p]
 
         if not ret:
-            raise ClientException('invalid prefix (could be an empty string, empty list, or None)')
+            raise discord.ClientException('invalid prefix (could be an empty string, empty list, or None)')
 
         return ret