Molly, > Thanks for your quick reply. Unfortunately, the virial > information-getter is crashing in a different place now: > http://paste.enzotools.org/show/1522/ Argh. Sorry, it's another import error. Try updating (d0876afc8f08) and try again? Stephen Skory stephenskory at yahoo.com http://stephenskory.com/ 510.621.3687 (google voice)