Error handling when connection refused (#6614)

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2017-03-14 10:08:40 +01:00 · 2017-03-14 10:08:40 +01:00 · c4e151f621
commit c4e151f621
parent f58941a0d4
1 changed files with 3 additions and 1 deletions
--- 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)