NotADirectoryError: [WinError 267] The directory name is invalid unless explicit log close

log-close.py

from logging.config import dictConfig
from logging import getLogger
from pathlib import Path
from tempfile import TemporaryDirectory
from threading import Thread


def config(path: Path):
    return {
        'version': 1,
        'handlers': {
            'file': {
                'class': 'logging.handlers.TimedRotatingFileHandler',
                'level': 'DEBUG',
                'filename': path,
                'when': 'midnight',
            },
        },
        'root': {
            'level': 'DEBUG',
            'handlers': ['file',],
        },
        'disable_existing_loggers': False
    }


def run(path: Path):
    dictConfig(config(path))

    logger = getLogger()

    logger.info("Hello, world!")

    # NotADirectoryError: [WinError 267] The directory name is invalid
    # unless you:

    # for h in logger.handlers:
    #     if isinstance(h, TimedRotatingFileHandler):
    #         h.close()


if __name__ == "__main__":
    dir = TemporaryDirectory()
    path = Path(dir.name) / "log.txt"
    t = Thread(target=run, args=(path,))
    t.start()
    t.join()
    dir.cleanup()