From 241d87e9d3a77ba7179c1ba11553db57d8ec2d48 Mon Sep 17 00:00:00 2001
From: Daniel Perna <danielperna84@gmail.com>
Date: Fri, 12 Oct 2018 09:30:35 +0200
Subject: [PATCH] Add exception handling to dnsip sensor (#17332)

* Add exception handling to dnsip sensor

* Refactor import

* Fix exception
---
 homeassistant/components/sensor/dnsip.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/sensor/dnsip.py b/homeassistant/components/sensor/dnsip.py
index 7b0d54cd934..c3ec5fd4ce2 100644
--- a/homeassistant/components/sensor/dnsip.py
+++ b/homeassistant/components/sensor/dnsip.py
@@ -87,8 +87,13 @@ class WanIpSensor(Entity):
 
     async def async_update(self):
         """Get the current DNS IP address for hostname."""
-        response = await self.resolver.query(self.hostname,
-                                             self.querytype)
+        from aiodns.error import DNSError
+        try:
+            response = await self.resolver.query(self.hostname,
+                                                 self.querytype)
+        except DNSError as err:
+            _LOGGER.warning("Exception while resolving host: %s", err)
+            response = None
         if response:
             self._state = response[0].host
         else: