}
-class AudiusTrackIE(AudiusIE):
+class AudiusTrackIE(AudiusIE): # XXX: Do not subclass from concrete IE
_VALID_URL = r'''(?x)(?:audius:)(?:https?://(?:www\.)?.+/v1/tracks/)?(?P<track_id>\w+)'''
IE_NAME = 'audius:track'
IE_DESC = 'Audius track ID or API link. Prepend with "audius:"'
playlist_data.get('description'))
-class AudiusProfileIE(AudiusPlaylistIE):
+class AudiusProfileIE(AudiusPlaylistIE): # XXX: Do not subclass from concrete IE
IE_NAME = 'audius:artist'
IE_DESC = 'Audius.co profile/artist pages'
_VALID_URL = r'https?://(?:www)?audius\.co/(?P<id>[^\/]+)/?(?:[?#]|$)'