self._generate.pack (side = LEFT, fill = Y)
self._quit = Button (self.button_frame)
self._quit["text"] = "Quit"
self._quit["command"] = self.quit
self.balloon.bind_widget (self._quit,
self._generate.pack (side = LEFT, fill = Y)
self._quit = Button (self.button_frame)
self._quit["text"] = "Quit"
self._quit["command"] = self.quit
self.balloon.bind_widget (self._quit,