On Fri, Mar 04, 2005 at 06:50:34AM -0500, David Binger wrote: > Okay, I really can pickle a Persistent instance now, even with > the C implementation of PersistentBase installed. Note that > pickle protocol 2 is required. Thanks, David! That works like a charm. (That's exactly the change I tried, but never with pickle protocol 2; hence I concluded the fix was wrong in some way. $#%&*!) BTW, there's a minor word missing from a docstring in _persistent.c: "This the C implementation..." --amk