FileStorage and other api doesn't support pathlib interface.

[evan0greenup]

BUG/PROBLEM REPORT (OR OTHER COMMON ISSUE)

For modern python library which involved path location, it would be nice to accept Union[str, os.PathLike[str]], instead of just str.

[icemac]

@evan0greenup Thank you for this feature request. Could you please elaborate a bit more where you want to see support for pathlib?