def busy(self):
    ok_states = (PyTango.DevState.STANDBY, PyTango.DevState.ON)
    return (not (self.proxy.State() in ok_states))
def busy(self):
    ok_states = (PyTango.DevState.STANDBY, PyTango.DevState.ON)
    return (not (self.proxy.State() in ok_states))