def init_sections_state(self): net_manager.init_devices() for section in self.vbox.get_children(): if section.show_or_hide(): section.section_show() section.init_state() else: section.section_hide() slider._append_page(Region(), "region") from setting_page_ui import SettingUI self.setting_page_ui = SettingUI(None, None) slider._append_page(self.setting_page_ui, "setting")