Traceback (most recent call last):
  File "/usr/bin/soundconverter", line 645, in do_work
    working = self.do_work_()
  File "/usr/bin/soundconverter", line 669, in do_work_
    self.finish()
  File "/usr/bin/soundconverter", line 2210, in finish
    notification(msg)
  File "/usr/bin/soundconverter", line 99, in notification
    n.show()
Error: GDBus.Error:org.freedesktop.Notifications.MaxNotificationsExceeded: Exceeded maximum number of notifications