Runtime Error

/usr/bin/obmenu:35: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
from gi.repository import Gtk, Gio, GLib
Traceback (most recent call last):
File "/usr/bin/obmenu", line 654, in do_activate
self.treeview.set_model(self.treemodel)
AttributeError: 'NoneType' object has no attribute 'set_model'

Obmenu doesn't start.
(gentoo linux)

Building gives also an error:
running install
running build
running build_py
running build_scripts
running install_lib
running install_scripts
changing mode of /usr/bin/obmenu to 755
changing mode of /usr/bin/obm-xdg to 755
changing mode of /usr/bin/obm-nav to 755
changing mode of /usr/bin/obm-dir to 755
running install_data
error: can't copy 'window.glade': doesn't exist or not a regular file

[thesunexpress]

Rename the file window.glade to obmenu.glade