WKS-KEYS is only a tool. If you give it bad inputs it will produce an error.
Test your l3.py against an easy site, for example bitmovin.com/demos.drm.
If you get stuck finding the mpd, pssh and licence server, read here:- https://forum.videohelp.com/threads/404994-Decryption-and-the-Temple-of-Doom - scroll down to the heading Decryption and go from there.
And this thread is about updating protobuf from 3 to 4. You and your issue are way off-topic. Ask follow-up questions somewhere else. And have some consideration to other posters
All the earlier contributors will get an email that this thread has been updated - but your new post contains nothing relevant to the original thread topic. So everyone will waste their time seeing a newbie unable to understand how to use WKS-KEYS. If that were me I'd want to keep quiet about it!
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Noob Starter Pack. Just download every Widevine mpd! Not kidding!.
https://files.videohelp.com/u/301890/hellyes6.zip -
the problem in this case is not related to protobuf module.When there are a problem whit the version or module used of protobuf you get an error when launching the script.If you past that,this error "unable to parse license - check protobufs" is related to the data used in the script,or related to the conection,perhaps you need vpn or proxy,for example.
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