try:
name = dbus.service.BusName("id.waydro.Session", dbus.SessionBus(), do_not_queue=True)
except dbus.exceptions.NameExistsException:
try:
name = dbus.service.BusName("id.waydro.Session", dbus.SessionBus(), do_not_queue=True)
except dbus.exceptions.NameExistsException: