Traceback when enabling Tune
Traceback (most recent call last):
File "/home/test/gajim/src/roster_window.py", line 3340, in on_publish_tune_toggled
gajim.interface.enable_music_listener()
File "gajim.py", line 3011, in enable_music_listener
track = listener.get_playing_track()
UnboundLocalError: local variable 'listener' referenced before assignment