Function onerror

Lib/shutil.py:685–687

(err)

        # can't continue even if onexc hook returns
        return
    def onerror(err):
        if not isinstance(err, FileNotFoundError):
            onexc(os.scandir, err.filename, err)
    results = os.walk(path, topdown=False, onerror=onerror, followlinks=os._walk_symlinks_as_files)
    for dirpath, dirnames, filenames in results:
        for name in dirnames: