Short tasks are not cancelled

import asyncio

from PySide6 import QtAsyncio


async def will_raise():
    raise RuntimeError("error")


async def loop():
    while True:
        # If the delay is too short, the task is never cancelled.
        await asyncio.sleep(1e-3)

        # The error seems to occur for short tasks,
        # It also occurs when replacing asyncio.sleep with:
        # await asyncio.to_thread(lambda: None)


async def main():
    async with asyncio.TaskGroup() as tg:
        tg.create_task(loop())
        tg.create_task(will_raise())


QtAsyncio.run(main(), keep_running=False)