From a7bce5f9e634daa4c9d02f90d4bc2b02f45dc3c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Arnauts?= <michael.arnauts@gmail.com>
Date: Sat, 16 Sep 2017 07:55:53 +0200
Subject: [PATCH] Allow empty hostnames when detecting devices with the aruba
 device_tracker. (#9440)

---
 homeassistant/components/device_tracker/aruba.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/device_tracker/aruba.py b/homeassistant/components/device_tracker/aruba.py
index cef5eabd901..79d8806fe22 100644
--- a/homeassistant/components/device_tracker/aruba.py
+++ b/homeassistant/components/device_tracker/aruba.py
@@ -19,9 +19,9 @@ _LOGGER = logging.getLogger(__name__)
 REQUIREMENTS = ['pexpect==4.0.1']
 
 _DEVICES_REGEX = re.compile(
-    r'(?P<name>([^\s]+))\s+' +
+    r'(?P<name>([^\s]+)?)\s+' +
     r'(?P<ip>([0-9]{1,3}[\.]){3}[0-9]{1,3})\s+' +
-    r'(?P<mac>(([0-9a-f]{2}[:-]){5}([0-9a-f]{2})))\s+')
+    r'(?P<mac>([0-9a-f]{2}[:-]){5}([0-9a-f]{2}))\s+')
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
     vol.Required(CONF_HOST): cv.string,