"assertion 'iter_is_valid (iter, list_store)' failed" error messages in playlistview

Sometimes, the following messages appears from playlistview. It seems related to self._iter_to_clean:

(gnome-music:21108): Gtk-CRITICAL **: 10:23:33.068: gtk_list_store_set_value: assertion 'iter_is_valid (iter, list_store)' failed

Steps to reproduce:

1. Go to playlist view
2. Select a playlist and start a song
3. Select an other playlist
4. launch a new song