Python 删除操作出现WindowsError: [Error 5] 解决方案

# 删除目录函数
    def rmtree(self, top):
        for root, dirs, files in os.walk(top, topdown=False):
            for name in files:
                filename = os.path.join(root, name)
                os.chmod(filename, stat.S_IWUSR)
                os.remove(filename)
            for name in dirs:
                os.rmdir(os.path.join(root, name))
        os.rmdir(top)