I have installed mopidy-youtube and configured it, but when I perform a search (in Iris) I get these errors:
May 20 13:43:37 pab mopidy[1048]: ERROR [YouTubeBackend-3] mopidy_youtube youtube search error "'NoneType' object is not subscriptable"
May 20 13:43:37 pab mopidy[1048]: WARNING [Core-17] mopidy.core.library YouTubeBackend does not implement library.search() with "exact" support. Please upgrade it.