Package is Deprecated because the Maintainer locked himself out by accident
github.com
github.com
> python-lsp-server is a fork created by the community because I was the maintainer of this repo but lost my write permissions several months ago. So, it's not something "official", it's just what we needed to do out of necessity.
You can't deprecate a project on its Github page if you can't access it. That's even mentioned in a comment from the page you submitted (but perhaps didn't bother to read).
> There's no one around to merge PRs, so it's not possible to add a note to the Readme.