def METHOD_NAME(self):
    if self.auto_reload:
        txt = self.language_box.text
        child = self.screen_manager.current_screen.children[0]
        if txt == child.previous_text:
            return
        child.previous_text = txt
        if self._change_kv_ev is not None:
            self._change_kv_ev.cancel()
        if self._change_kv_ev is None:
            self._change_kv_ev = Clock.create_trigger(self.change_kv, 2)
        self._change_kv_ev()