On Wed, 28 Nov 2018, 'Martin R' via sage-devel wrote:
Thank you for looking into this. I think the problem exists also for the following code, however only for n = 8:
I did some other tests too, but only got confused. Hasse diagrams are just graphs, I think -- they are not derived from UniqueRepresentation.
Can this be a bug in Python? Maybe we can make quick modification to digraph code so that we can create posets with Py3-compiled Sage, and test that. But all of this is above my knowledge. :=(
-- Jori Mäntysalo