Andy Harrington <aharrin@luc.edu> added the comment: Withdrawn. My error. I missed the part of the documentation that says a *tuple*, not the list that I tried, does just what I wanted. ---------- assignee: -> docs@python components: +Documentation -Library (Lib) nosy: +docs@python resolution: -> invalid status: open -> closed _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue14454> _______________________________________