./pyPhone.py
./pyPhone.py:32: GtkWarning: gtk_notebook_set_tab_label: assertion `GTK_IS_WIDGET (child)' failed
  self.wTree = gtk.glade.XML("glade.glade")
Traceback (most recent call last):
  File "./pyPhone.py", line 57, in <module>
    main()
  File "./pyPhone.py", line 42, in main
    widgets["label_provider"].set_text("blubber");
AttributeError: 'NoneType' object has no attribute 'set_text'