From c4e151f6213a26e2e33b15a689fd282d5c57d1b7 Mon Sep 17 00:00:00 2001
From: Erik Eriksson <molobrakos@users.noreply.github.com>
Date: Tue, 14 Mar 2017 10:08:40 +0100
Subject: [PATCH] Error handling when connection refused (#6614)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add an optional extended description…
---
 homeassistant/components/sensor/dovado.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/sensor/dovado.py b/homeassistant/components/sensor/dovado.py
index 639dfa01ec6..6b3ff58fab5 100644
--- a/homeassistant/components/sensor/dovado.py
+++ b/homeassistant/components/sensor/dovado.py
@@ -108,7 +108,9 @@ class Dovado:
         """Update device state."""
         _LOGGER.info("Updating")
         try:
-            self.state.update(self._dovado.state or {})
+            self.state = self._dovado.state or {}
+            if not self.state:
+                return False
             self.state.update(
                 connected=self.state.get("modem status") == "CONNECTED")
             _LOGGER.debug("Received: %s", self.state)