>
> Yes ! As you probably already guessed, everything is not yet in a clean 
> state... The first call should raise the same error than the second one.
>

I understand, but in this case, one should teach  "reversed" to use
Cardinality instead of __len__. And this is python, not sage ... 

-- 
You received this message because you are subscribed to the Google Groups 
"sage-combinat-devel" group.
To view this discussion on the web visit 
https://groups.google.com/d/msg/sage-combinat-devel/-/3XiisWOYN_gJ.
To post to this group, send email to sage-combinat-devel@googlegroups.com.
To unsubscribe from this group, send email to 
sage-combinat-devel+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/sage-combinat-devel?hl=en.

Reply via email to