How to use the osxphotos.utils._get_os_version function in osxphotos

def test_os_version():
    import osxphotos

    (_, major, _) = osxphotos.utils._get_os_version()
    assert major in osxphotos._constants._TESTED_OS_VERSIONS

def test_os_version():
    import osxphotos

    (_, major, _) = osxphotos.utils._get_os_version()
    assert major in osxphotos._constants._TESTED_OS_VERSIONS

def test_get_system_library_path():
    import osxphotos

    _, major, _ = osxphotos.utils._get_os_version()
    if int(major) < 15:
        assert osxphotos.utils.get_system_library_path() is None
    else:
        assert osxphotos.utils.get_system_library_path() is not None

def test_os_version():
    import osxphotos

    (_, major, _) = osxphotos.utils._get_os_version()
    assert major in osxphotos._constants._TESTED_OS_VERSIONS

def __init__(self, *dbfile_, dbfile=None):
        """ create a new PhotosDB object 
            path to photos library or database may be specified EITHER as first argument or as named argument dbfile=path 
            specify full path to photos library or photos.db as first argument 
            specify path to photos library or photos.db using named argument dbfile=path """

        # Check OS version
        system = platform.system()
        (_, major, _) = _get_os_version()
        if system != "Darwin" or (major not in _TESTED_OS_VERSIONS):
            logging.warning(
                f"WARNING: This module has only been tested with MacOS 10."
                f"[{', '.join(_TESTED_OS_VERSIONS)}]: "
                f"you have {system}, OS version: {major}"
            )

        # create a temporary directory
        # tempfile.TemporaryDirectory gets cleaned up when the object does
        self._tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
        self._tempdir_name = self._tempdir.name

        # set up the data structures used to store all the Photo database info

        # TODO: I don't think these keywords flags are actually used
        # if True, will treat persons as keywords when exporting metadata