diff --git a/git/util.py b/git/util.py
@@ -150,7 +150,10 @@ def wrapper(self: "Remote", *args: Any, **kwargs: Any) -> T:

@contextlib.contextmanager
def cwd(new_dir: PathLike) -> Generator[PathLike, None, None]:
-    """Context manager to temporarily change directory. Not reentrant."""
    old_dir = os.getcwd()
    os.chdir(new_dir)
    try:

diff --git a/test/fixtures/env_case.py b/test/fixtures/env_case.py
@@ -1,13 +1,18 @@
import subprocess
import sys

import git


_, working_dir, env_var_name = sys.argv

-# Importing git should be enough, but this really makes sure Git.execute is called.
repo = git.Repo(working_dir)  # Hold the reference.
git.Git(repo.working_dir).execute(["git", "version"])

print(subprocess.check_output(["set", env_var_name], shell=True, text=True))