sometimes_fails.py

import asyncio
import os

async def task_inner():
    with open("/dev/urandom", "rb") as urandom:
        feed = await asyncio.to_thread(urandom.read, 128)
        print(feed[:16].hex(), "\r", end="")

async def task():
    async with asyncio.TaskGroup() as tg:
        tg.create_task(task_inner())

async def main():
    while True:
        await task()

if __name__ == "__main__":
    print(f"PID: {os.getpid()}")
    asyncio.run(main())