[sage-support] Bug in graphs.WheelGraph(3).show().

sage: graphs.WheelGraph(3).is_isomorphic(graphs.CompleteGraph(3)) True But graphs.WheelGraph(3).show() show(Graph(graphs.WheelGraph(3).edges())) is OK. So I do not kno

[sage-support] The best practices for using SageNB in SagaMath 9.1?

Hi, I maintain a SageNB server since 2011. But as you know, SageMath has droped the support of SageNB on Python3. Now I want to run SageNB in SagaMath 9.1. But I failed many times. I follows the codes by Samuel Lelièvre given in https://ask.sagemath.org/question/53501/get-the-error-nameer