[sage-support] help triangle_sandpile? Output correct?

Hi, help triangle_sandpile? (version 8.8, Jupyter Windows) gives the following (unexpected) output after Class docstring Is this intended? Type:LazyImportString form: File: /opt/sagemath-8.8/local/lib/python2.7/site-packages/sage/misc/lazy_import.pyxDocstring:

Re: [sage-support] Problem with factor in SymbolicRing

I confirm the bug on 8.9.beta5. It is most probably a bug in Pynac. Note that if you multiply by 2 it "works" sage: (2*num).factor() (16*r^6 - 32*r^4*x^2 + 16*r^2*x^4 + 32*r^4*y^2 + 32*r^2*x^2*y^2 + 16*r^2*y^4 + 80*r^2*x^2 + 16*x^4 + 16*r^2*y^2 + 32*x^2*y^2 + 16*y^4 - 16*x^2 - 16*y^2)*r^4/(r^6