def __init__(self): self.data = Data() self.data.import_data() self.win = Window(self.data) self.win.connect("delete-event", Gtk.main_quit) self.win.show_all() self.win.transactions.month_year_visible(True) self.win.transactions.range_visible(False) for i in range(0, len(self.win.transactions.menuListBox)): if self.win.transactions.editable_category(i): self.win.transactions.category_view_mode(i) self.win.connect('key-press-event', self.on_key_function) self.win.set_icon_name("budget.svg") Gtk.main()