def on_draw(self):
        width, height = self.GetClientSize()
        
        glClear(GL_COLOR_BUFFER_BIT)
        self.label.text = pyglet.gl.gl_info.get_version() % 'OpenGL %s'
        self.label.x = width//2
        self.label.y = height//2
        self.label.draw()
dataset/ETHPy150Open ardekantur/pyglet/experimental/wxtest.py/TestCanvas.on_draw/swapped operands of `%`