import asyncio
from concurrent.futures import ProcessPoolExecutor
import traceback


class Works1(Exception):
    def __init__(self, bar=None):
        super().__init__("test")


class Works2(Exception):
    def __init__(self, *, bar=None):
        super().__init__()


class Breaks(Exception):
    def __init__(self, *, bar=None):
        super().__init__("test")


def works1():
    raise Works1()


def works2():
    raise Works2()


def breaks():
    raise Breaks()


async def main():
    executor = ProcessPoolExecutor()
    loop = asyncio.get_running_loop()
    for f in [works1, works2, breaks]:
        try:
            await loop.run_in_executor(executor, f)
        except Exception as ex:
            print(f"{f} raised {repr(ex)}\n")
            if f == breaks:
                traceback.print_exc()


asyncio.run(main())