import ch.psi.pshell.epics.ChannelDouble as ChannelDouble



channel = ChannelDouble("test_inv", "SARUN15-UIND030:INVALID-PV", -1, True, InvalidValueAction.Nullify)

avg = create_averager(channel, 5, interval = -1, name = "avg")
avg.monitored = True
channel.monitored = True
add_device(channel, True)
add_device(avg, True)