test_minimal_async.py

import asyncio
import pygame

pygame.init()

# set up the window
screen_width, screen_height = 640, 480

if pygame.display.get_init():
    screen = pygame.display.get_surface()
else:
    pygame.display.init()
    screen = None

if screen is None:
    screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption("blank")

# main game loop
async def main():

    while True:
        # handle events
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                exit()

        # clear the screen
        screen.fill((0, 128, 0))

        # update the screen
        pygame.display.update()
        await asyncio.sleep(0)
        pygame.time.Clock().tick(120)

asyncio.run(main())