兼容python3的romfs.py脚本无法生成bin文件

E:\web>mkromfs.py romfs web.bin --binary
Traceback (most recent call last):
  File "E:\web\mkromfs.py", line 259, in <module>
    data = get_bin_data(tree, int(args.addr, 16))
  File "E:\mkromfs.py", line 235, in get_bin_data
    name = bytes('/\0\0\0')
TypeError: string argument without an encoding