как редактировать главное меню mate из командной строки?

╠  ## [R] [sabayonlinux.org] x11-misc/mozo-1.18.0|0   [1.18.0|0]

$ mozo
Gtk-Message: 09:40:29.186: GtkDialog mapped without a transient parent. This is discouraged.

** (mozo:89272): WARNING **: 09:40:29.196: Error loading menu layout from "/home/user/.config/menus/mate-applications.menu": Line 134 character 1: Element <Old> is required to contain text and was empty

Traceback (most recent call last):
  File "/usr/lib/python-exec/python2.7/mozo", line 36, in <module>
    main()
  File "/usr/lib/python-exec/python2.7/mozo", line 33, in main
    app.run()
  File "/usr/lib64/python2.7/site-packages/Mozo/MainWindow.py", line 82, in run
    self.loadMenus()
  File "/usr/lib64/python2.7/site-packages/Mozo/MainWindow.py", line 227, in loadMenus
    self.loadMenu(iters, menu)
  File "/usr/lib64/python2.7/site-packages/Mozo/MainWindow.py", line 242, in loadMenu
    iters[depth] = self.menu_store.append(None, (icon, cgi.escape(parent.get_name()), parent))
AttributeError: 'NoneType' object has no attribute 'get_name'

#!/usr/bin/python
import gtk

class PyApp(gtk.Window):
    def __init__(self):
        super(PyApp, self).__init__()
        
        self.connect("destroy", gtk.main_quit)
        self.set_size_request(250, 150)
        self.set_position(gtk.WIN_POS_CENTER)
        self.show()

PyApp()
gtk.main()

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

win = Gtk.Window()
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()