def __init__(self, parent=None): super(PMXBundleWidget, self).__init__(parent) self.setupUi(self) manager = QtGui.QApplication.instance().supportManager self.treeMenuModel = BundleItemMenuTreeModel(manager) self.treeMenuView.setModel(self.treeMenuModel) self.listExcludedView.setModel(self.treeMenuModel.excludedListModel()) self.treeMenuModel.menuChanged.connect(self.on_menuChanged)