I'm using Ubuntu 13.04 and am having trouble upgrading to 5.9. I get this error message:
W: Failed to fetch http://ppa.launchpad.net/aims/sagemath/ubuntu/dists/raring/main/binary-amd64/Packages Ideas? Thanks. -- 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?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
