python阿里云oss下载文件到本地目录文件夹报错in get_object_to_file with open(to_unicode(filename), 'wb') as f:

python阿里云oss下载文件到本地目录文件夹报错，我电脑是windows，目录权限我也改成可读写还是不行，有知道的吗

in get_object_to_file
    with open(to_unicode(filename), 'wb') as f:

先检查本地文件夹是否存在,可以尝试用绝对路径试试。要是还不行就检查一下阿里云OSS，看看下载权限是不是没开