Just trying to access http://trac.sagemath.org/ticket/16477 gives
Trac detected an internal error: OSError: [Errno 2] No such file or directory: '/tmp/tmpafaJGh' Samuel -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
