Use different texlive installation

[Pavel Sanda]

On Wed, Mar 25, 2020 at 09:49:45PM +0100, Zelphir Kaltstahl wrote:
>   File "/gnu/store/an9kb3hqk8368b05g39fz4bzrz18khp7-lyx-2.3.3/lyx2.3/share/lyx2.3/configure.py", line 1327, in processLayoutFile
>     classdeclaration = (b'"%s" "%s" "%s" "%s" "%s"'
> TypeError: %b requires a bytes-like object, or an object that implements __bytes__, not 'str'
...
> I think it could also be Python 2 str VS Python 3 str related.

I agree, it looks like this, and related to commit d30da478d4f (Fix encoding issues with configuration under Python 3).

You have reasonable chance to get that fixed if you upgrade to lyx 2.3.4.

Pavel