Crash when clicking on track in album list while tracks are being loaded
Music crashes when clicking on album, and then quickly clicking on a track while the track list is not here yet.
Error message:
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/gnomemusic/player.py", line 258, in _on_discovered
index = self._validation_indexes[url].pop(0)
IndexError: pop from empty list