def __init__(self): QtGui.QMainWindow.__init__(self) Ui_MainWindow.__init__(self) self.setupUi(self) self.ds = DamascusServer(self) UiRegistry.create() UiRegistry().addWindow(self) self.channel_sliders = [self.channel_1, self.channel_2, self.channel_3, self.channel_4] self.channel_datas = [self.ch_data_1, self.ch_data_2, self.ch_data_3, self.ch_data_4] self.channel_descs = [self.ch_desc_1, self.ch_desc_2, self.ch_desc_3, self.ch_desc_4] return