How to use the dvc.utils.compat.fspath_py35 function in dvc

def tmp_dir(tmp_path, monkeypatch):
    monkeypatch.chdir(tmp_path)
    return TmpDir(fspath_py35(tmp_path))

def dvc_walk(top, dvcignore, topdown=True, onerror=None, followlinks=False):
    """
    Proxy for `os.walk` directory tree generator.
    Utilizes DvcIgnoreFilter functionality.
    """
    top = fspath_py35(top)

    for root, dirs, files in os.walk(
        top, topdown=topdown, onerror=onerror, followlinks=followlinks
    ):

        if dvcignore:
            dirs[:], files[:] = dvcignore(root, dirs, files)

        yield root, dirs, files

def getsize(path_info):
        return os.path.getsize(fspath_py35(path_info))

def move(src, dst, mode=None):
    """Atomically move src to dst and chmod it with mode.

    Moving is performed in two stages to make the whole operation atomic in
    case src and dst are on different filesystems and actual physical copying
    of data is happening.
    """

    src = fspath_py35(src)
    dst = fspath_py35(dst)

    dst = os.path.abspath(dst)
    tmp = "{}.{}".format(dst, str(uuid()))

    if os.path.islink(src):
        shutil.copy(os.readlink(src), tmp)
        os.unlink(src)
    else:
        shutil.move(src, tmp)

    if mode is not None:
        os.chmod(tmp, mode)

    shutil.move(tmp, dst)

def _upload(
        self, from_file, to_info, name=None, no_progress_bar=False, **_kwargs
    ):
        makedirs(to_info.parent, exist_ok=True)

        tmp_file = tmp_fname(to_info)
        copyfile(
            from_file, tmp_file, name=name, no_progress_bar=no_progress_bar
        )
        os.rename(tmp_file, fspath_py35(to_info))

def makedirs(path, exist_ok=False, mode=None):
    path = fspath_py35(path)

    if mode is None:
        _makedirs(path, exist_ok=exist_ok)
        return

    umask = os.umask(0)
    try:
        _makedirs(path, exist_ok=exist_ok, mode=mode)
    finally:
        os.umask(umask)

def open(path_info, mode="r", encoding=None):
        return open(fspath_py35(path_info), mode=mode, encoding=encoding)

def isdir(path_info):
        return os.path.isdir(fspath_py35(path_info))

def isfile(path_info):
        return os.path.isfile(fspath_py35(path_info))

def dvc_walk(top, dvcignore, topdown=True, onerror=None, followlinks=False):
    """
    Proxy for `os.walk` directory tree generator.
    Utilizes DvcIgnoreFilter functionality.
    """
    top = fspath_py35(top)

    for root, dirs, files in os.walk(
        top, topdown=topdown, onerror=onerror, followlinks=followlinks
    ):

        if dvcignore:
            dirs[:], files[:] = dvcignore(root, dirs, files)

        yield root, dirs, files