Happens when clicking one of the "Autoset" buttons in the "New Channel" dialog.
Traceback (most recent call last):
File "/usr/bin/../share/jack_mixer/channel.py", line 857, in on_sense_midi_volume_clicked
self.sense_popup_dialog(self.entry_volume_cc)
File "/usr/bin/../share/jack_mixer/channel.py", line 841, in sense_popup_dialog
vbox.pack_start(Gtk.Label('Please move the MIDI control you want to use for this function.', True, True, 0))
TypeError: Gtk.Box.pack_start() takes exactly 5 arguments (2 given)
Happens when clicking one of the "Autoset" buttons in the "New Channel" dialog.