def METHOD_NAME(self, widget):
    self.window.last_opened_version = self.window.settings.set_string(
        "last-opened-version", rel_ver
    )
    if self.update:
        self.btn_close.set_sensitive(True)
        self.label_skip.set_visible(False)
        self.next_page()
    else:
        self.next_page()