import pyglet
TILE_SIZE = 64
green_image = pyglet.image.load('green.png')
window = pyglet.window.Window()
@window.event
def on_draw():
window.clear()
green_image.blit(4 * TILE_SIZE, 5 * TILE_SIZE,
width=TILE_SIZE, height=TILE_SIZE)
pyglet.app.run()