Traceback (most recent call last):
  File "/usr/lib/dmedia/dmedia-service", line 49, in <module>
    from dmedia.service.peers import Browser, Publisher
  File "/usr/lib/python3/dist-packages/dmedia/service/peers.py", line 47, in <module>
    from gi.repository import GObject, Gtk, AppIndicator3
ImportError: cannot import name AppIndicator3