Python dependencies: plea for help

[Simon Albrecht]

Hello everybody,

following the post by Vincenzo I take the liberty of turning to this 
group for advice, even if it’s OT. It’s such a hassle working with 
LilyPond without Frescobaldi, and I couldn’t solve the problem described 
in <https://github.com/wbsoft/python-poppler-qt5/issues/14>.

So I beg your pardon and beg for advice on how to proceed, even if it’s 
just about how to completely purge all of python3.x and frescobaldi and 
the packages inbetween and reinstalling so that everything works…

Best, Simon