MyQ cover return unknown state if not available (#17207)

* Add additional supported states

* Use get method for lookup

* Return None if unable to get status

homeassistant/components/cover/myq.py

@@ -11,8 +11,8 @@ import voluptuous as vol
 from homeassistant.components.cover import (
     CoverDevice, SUPPORT_CLOSE, SUPPORT_OPEN)
 from homeassistant.const import (
-    CONF_PASSWORD, CONF_TYPE, CONF_USERNAME, STATE_CLOSED, STATE_OPEN,
-    STATE_CLOSING, STATE_OPENING)
+    CONF_PASSWORD, CONF_TYPE, CONF_USERNAME, STATE_CLOSED, STATE_CLOSING,
+    STATE_OPEN, STATE_OPENING)
 import homeassistant.helpers.config_validation as cv
 
 REQUIREMENTS = ['pymyq==0.0.15']
@@ -23,8 +23,8 @@ DEFAULT_NAME = 'myq'
 
 MYQ_TO_HASS = {
     'closed': STATE_CLOSED,
-    'open': STATE_OPEN,
     'closing': STATE_CLOSING,
+    'open': STATE_OPEN,
     'opening': STATE_OPENING
 }
 
@@ -76,7 +76,7 @@ class MyQDevice(CoverDevice):
         self.myq = myq
         self.device_id = device['deviceid']
         self._name = device['name']
-        self._status = STATE_CLOSED
+        self._status = None
 
     @property
     def device_class(self):
@@ -96,17 +96,19 @@ class MyQDevice(CoverDevice):
     @property
     def is_closed(self):
         """Return true if cover is closed, else False."""
-        return MYQ_TO_HASS[self._status] == STATE_CLOSED
+        if self._status in [None, False]:
+            return None
+        return MYQ_TO_HASS.get(self._status) == STATE_CLOSED
 
     @property
     def is_closing(self):
         """Return if the cover is closing or not."""
-        return MYQ_TO_HASS[self._status] == STATE_CLOSING
+        return MYQ_TO_HASS.get(self._status) == STATE_CLOSING
 
     @property
     def is_opening(self):
         """Return if the cover is opening or not."""
-        return MYQ_TO_HASS[self._status] == STATE_OPENING
+        return MYQ_TO_HASS.get(self._status) == STATE_OPENING
 
     def close_cover(self, **kwargs):
         """Issue close command to cover."""