From 86daec8c59729e75c344261de4fe0da7d96cb5da Mon Sep 17 00:00:00 2001
From: Anthony Arnaud <github@anthony-arnaud.fr>
Date: Fri, 2 Feb 2018 20:22:29 -0500
Subject: [PATCH] Fix #11875 Ubus broken since upgrade to 0 57 (#12141)

---
 homeassistant/components/device_tracker/ubus.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/homeassistant/components/device_tracker/ubus.py b/homeassistant/components/device_tracker/ubus.py
index 2490e10be6e..e66bb95a11a 100644
--- a/homeassistant/components/device_tracker/ubus.py
+++ b/homeassistant/components/device_tracker/ubus.py
@@ -101,7 +101,6 @@ class UbusDeviceScanner(DeviceScanner):
         if self.mac2name is None:
             self._generate_mac2name()
         name = self.mac2name.get(mac.upper(), None)
-        self.mac2name = None
         return name
 
     @_refresh_on_access_denied
-- 
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