fix: os.chdir in unittest's test case causes a RecursionError on Windows 10

test_chdir_wo_fail.py

from typing import *

import os
import tempfile
import unittest


class ChdirTest(unittest.TestCase):
    def test_chdir(self):
        with tempfile.TemporaryDirectory() as tempdir:
            curdir = os.getcwd()
            try:
                os.chdir(tempdir)
                print("the current dir is: %s" % tempdir)
            finally:
                os.chdir(curdir)


if __name__ == "__main__":
    unittest.main()