home-assistant · balloob · Jun 2, 2017 · May 13, 2017 · May 19, 2017 · Jun 2, 2017
@@ -225,8 +225,9 @@ def media_pause(self):
 
     def select_source(self, source):
         """Select playback device."""
-        self._player.transfer_playback(self._devices[source],
-                                       self._state == STATE_PLAYING)
+        if self._devices:
+            self._player.transfer_playback(self._devices[source],
+                                           self._state == STATE_PLAYING)
 
     def play_media(self, media_type, media_id, **kwargs):
         """Play media."""
@@ -271,7 +272,8 @@ def shuffle(self):
     @property
     def source_list(self):
         """Return a list of source devices."""
-        return list(self._devices.keys())
+        if self._devices:
+            return list(self._devices.keys())
 
     @property
     def source(self):