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")