import japanize_kivy from kivy.app import App from kivy.core.window import Window from kivy.lang import Builder from kivy.uix.pagelayout import PageLayout Builder.load_file('kivy_pagelayout_1.kv') Window.size = (200, 200) class KivyPageLayout(PageLayout): pass class ExampleApp(App): def build(self): self.title = 'PageLayout' return KivyPageLayout() if __name__ == '__main__': ExampleApp().run()