python crash

win32, xp, python 2.3.3
matplotlib:
__version__ = '0.60.2'
__revision__ = '$Revision: 1.64 $'

Any attempt to save ps:
savefig('fig.ps')

gives this:

Fatal Python error: PyEval_RestoreThread: NULL tstate

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

The postscript file *is* actually written.

What more info do you need to track this?

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--
Brett Calcott
Philosophy Program, RSSS, ANU
Canberra, ACT 0200, AUSTRALIA