This is Trac Ticket #17205 <http://trac.sagemath.org/ticket/17205>. John Palmieri gave a quick fix in comment #2.
Note that I'm not one of the developers of this package -- merely a happy user. :-) Best, Konstantin -- 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 sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.