From a388d07f30c122db0780d13c286255e66d3dfd46 Mon Sep 17 00:00:00 2001
From: palmtree5 <3577255+palmtree5@users.noreply.github.com>
Date: Sun, 18 Feb 2018 17:59:46 -0900
Subject: [PATCH] [V3 Events] modify CommandInvokeError handler to use the
 vague message as a fallback if a cog doesn't provide its own __error function
 (#1279)

---
 redbot/core/events.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/redbot/core/events.py b/redbot/core/events.py
index dda5b8125..6c49dbfbd 100644
--- a/redbot/core/events.py
+++ b/redbot/core/events.py
@@ -172,7 +172,8 @@ def init_events(bot, cli_flags):
             exception_log += "".join(traceback.format_exception(type(error),
                                      error, error.__traceback__))
             bot._last_exception = exception_log
-            await ctx.send(inline(message))
+            if not hasattr(ctx.cog, "_{0.command.cog_name}__error".format(ctx)):
+                await ctx.send(inline(message))
         elif isinstance(error, commands.CommandNotFound):
             pass
         elif isinstance(error, commands.CheckFailure):