./src/widgets.py:24: GtkWarning: gtk_notebook_set_tab_label: assertion `GTK_IS_WIDGET (child)' failed
  xml = gtk.glade.XML(rootdir + '/src/gui/gui.glade', window)
./src/widgets.py:19: GtkWarning: gtk_notebook_set_tab_label: assertion `GTK_IS_WIDGET (child)' failed
  xml = gtk.glade.XML(rootdir + '/src/gui/gui.glade')
./src/libs.py:21: DeprecationWarning: use GdkColormap.alloc_color
  colour = map.alloc("#FF9999") # light red
./src/libs.py:22: GtkWarning: gtk_notebook_set_tab_label: assertion `GTK_IS_WIDGET (child)' failed
  xml = gtk.glade.XML(rootdir + '/src/gui/gui.glade')
Traceback (most recent call last):
  File "./main.py", line 24, in ?
    libs.ChangeColorSide()
  File "./src/libs.py", line 24, in ChangeColorSide
    gtk.EventBox.modify_bg(colorbox, "GTK_STATE_NORMAL", colour)
NameError: global name 'colorbox' is not defined