import tempfile
import subprocess
import pathlib
from concurrent.futures import ThreadPoolExecutor

def run(msg):
    with tempfile.TemporaryDirectory() as tmp_dir:
        tmp_path = pathlib.Path(tmp_dir)
        subprocess.run(["true"])
        if tmp_path.exists():
            print(msg, "Ok")
        else:
            print(msg, "!"*80)


if __name__ == "__main__":
    print("with ThreadPoolExecutor() as executor")
    with ThreadPoolExecutor() as executor:
        executor.map(run, ["with"]*128)

    print("executor = ThreadPoolExecutor()")
    executor = ThreadPoolExecutor()
    executor.map(run, [None]*128)