This is now https://trac.sagemath.org/ticket/23324
Am Sonntag, 25. Juni 2017 19:47:36 UTC+2 schrieb vdelecroix: > > On 25/06/2017 19:10, 'Martin R' via sage-devel wrote: > > I just noticed that Set([[], []]).cardinality() yields 2. In earlier > > versions, a TypeError: unhashable type: 'list' was raised. > > > > I think the behaviour was modified > > in https://trac.sagemath.org/ticket/22597. > > > > Is this intended? It seems to me that it would be safer if cardinality > > would raise an error... > > I hope it was not intentional. It looks seriously broken. Did you > already opened a ticket? > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
