def _bank_up_value(self, value): old_offset = int(self._track_offset) MixerComponent._bank_up_value(self, value) if self._bank_display != None: if value != 0 and old_offset != self._track_offset: min_track = self._track_offset + 1 max_track = min(len(self._tracks_to_use()), min_track + len(self._channel_strips)) self._bank_display.display_message('Tracks ' + str(min_track) + ' - ' + str(max_track)) else: self._bank_display.update()