VIM8: Different completion info (than project example) returned by server.

[iddinev]

I'm using PLS on vim8 through autozimu/LanguageClient-neovim with deplete and I see the server returning different completion/hover information than the one shown in the example gifs.
For example:
If I try to recreate this example (from the title page):

I get this instead:

I have jedi installed, but I fear there is maybe something extra that has to be configured PLS wise ?