Comment # 1 on bug 1089065 from Dr. Werner Fink

(In reply to Alexander Bergmann from comment #0)

> 
> #> rpm -qf /usr/share/texmf/texconfig/zypper.py
> texlive-filesystem-2016.108-21.1.noarch
> 
> #> head -n1 /usr/share/texmf/texconfig/zypper.py
> #!/usr/bin/python
> 
> The problem gets triggered via texlive-filesystem that has only a "Requires:
> python". Because python3 has a "Provides: python" it gets installed.
> Unfortunately python3 has no link/binary called python.
> 
> One way to fix this is a seperate "Requires(pre):  /usr/bin/python" inside
> the texlive-filesystem.spec file.

I'd like to know why this has become a TeXLive bug.  If python3 provides
python3 then it should provide /usr/bin/python

... that looks like a simple approach of update-alternatives here