From cf9a508557251b8e830017810d560d9216e986a4 Mon Sep 17 00:00:00 2001
From: Matej Plavevski <matej.plavevski@gmail.com>
Date: Wed, 7 Oct 2020 11:41:00 +0200
Subject: [PATCH] Remove duplicate ATTR_USERNAME (#41386)

---
 homeassistant/components/slack/notify.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/homeassistant/components/slack/notify.py b/homeassistant/components/slack/notify.py
index 8fb45c36d9f..5fff857825b 100644
--- a/homeassistant/components/slack/notify.py
+++ b/homeassistant/components/slack/notify.py
@@ -32,7 +32,6 @@ ATTR_PASSWORD = "password"
 ATTR_PATH = "path"
 ATTR_URL = "url"
 ATTR_USERNAME = "username"
-ATTR_USERNAME = "username"
 
 CONF_DEFAULT_CHANNEL = "default_channel"