[Tudou (Youku)] ERROR: Youku server reported error -4001

[yakit4k0]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2019.04.24. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2019.04.24

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• Searched the bugtracker for similar issues including closed ones
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D:\>youtube-dl -v https://video.tudou.com/v/XMjQ0MjgxNTUwOA==.html

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://video.tudou.com/v/XMjQ0MjgxNTUwOA==.html']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2019.04.24
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.14393
[debug] exe versions: ffmpeg 4.1.1, ffprobe 4.1.1
[debug] Proxy map: {}
[youku] XMjQ0MjgxNTUwOA: Retrieving cna info
[youku] XMjQ0MjgxNTUwOA: Downloading JSON metadata
ERROR: Youku server reported error -4001: 视频优酷屏蔽！; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp1l3rbf78\build\youtube_dl\YoutubeDL.py", line 796, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp1l3rbf78\build\youtube_dl\extractor\common.py", line 529, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp1l3rbf78\build\youtube_dl\extractor\youku.py", line 189, in _real_extract
youtube_dl.utils.ExtractorError: Youku server reported error -4001: 视频优酷屏蔽！; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
...
<end of log>

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• Single video: https://video.tudou.com/v/XMjQ0MjgxNTUwOA==.html

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Trying to download video from Chinese site tudou.com.
Video is playable in browser, but when using youtube-dl, got
ERROR: Youku server reported error -4001: 视频优酷屏蔽！
(视频优酷屏蔽！ seems means "Youku video blocked!")

Able to DL some other videos from tudou.com,
but it seems lot of old videos (older than 2 years)
posted by the same user (https://id.tudou.com/i/UMTc5NDI5MDc4OA==)
who uploaded the video mentioned above (XMjQ0MjgxNTUwOA==)
will get this error.

For example:
Unable to DL this video from 2017-04-29
https://video.tudou.com/v/XMjczNTAzNzM2MA==.html
But able to DL this video from 2017-05-30
https://video.tudou.com/v/XMjc5MzM0NDc2MA==.html

Any possible fix? Thanks.

EDIT: Able to DL those videos using ykdl (github.com/zhangn1985/ykdl) v1.6.3 (ykdl_win32.exe)