sage: AdditiveAbelianGroup([0,0]) == AdditiveAbelianGroup([0,0])
True
sage: AdditiveAbelianGroup([0,0]) != AdditiveAbelianGroup([0,0])
True
Is this a bug or is it intended behavior? I don't have time to track
this down right now, but I think it's the cause of the error at
<
http://trac.sagemath.org/sage_trac/ticket/9940>.
--
John