This is a known and fixed bug: http://trac.sagemath.org/sage_trac/ticket/14737
You could try the latest beta: http://boxen.math.washington.edu/home/release/sage-5.12.beta5/sage-5.12.beta5.tar -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.