From 83a79a434c1363c7caa7d968764e5b39fe9e0efc Mon Sep 17 00:00:00 2001
From: springstan <46536646+springstan@users.noreply.github.com>
Date: Sat, 8 Feb 2020 15:19:46 +0100
Subject: [PATCH] Use slug in ping device tracker config validation (#31329)

* Use slug instead of string for config validation
---
 homeassistant/components/ping/device_tracker.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/ping/device_tracker.py b/homeassistant/components/ping/device_tracker.py
index c4d88f6061c..c0effda7a55 100644
--- a/homeassistant/components/ping/device_tracker.py
+++ b/homeassistant/components/ping/device_tracker.py
@@ -21,7 +21,7 @@ CONF_PING_COUNT = "count"
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
-        vol.Required(const.CONF_HOSTS): {cv.string: cv.string},
+        vol.Required(const.CONF_HOSTS): {cv.slug: cv.string},
         vol.Optional(CONF_PING_COUNT, default=1): cv.positive_int,
     }
 )