Abort if no xml received from PMS

resources/lib/playback_starter.py

@@ -38,6 +38,11 @@ class Playback_Starter(Thread):
             # Todo: Warn user with dialog
             return
         xml = GetPlexMetadata(plex_id)
+        try:
+            xml[0].attrib
+        except (TypeError, AttributeError):
+            log.error('Could not get a PMS xml for plex id %s' % plex_id)
+            return
         if xml[0].attrib.get('type') == PLEX_TYPE_PHOTO:
             # Photo
             result = Playback_Successful()