[3dprinter-general] Bug#904919: Bug#904919: cura: AssertionError on STL load

[Gregor Riepl]

> Now this is really strange:
> 
> I had python3-stl installed:
> 
>> python3-stl/testing,now 2.3.2-1+b2 amd64 [installed]
> 
> On a hunch i removed it and that actually fixed the bug!
> 
> Cura now works and i can load all STLs.
> 
> Reinstalling python3-stl => broken again.

The weird thing is that I have python3-stl installed myself, and I don't see
the bug. But thanks for checking, and perhaps this will help others.

I'll keep the bug open for now, it's likely that it will be fixed upstream
with the next release.