It's a wild guess, but try to save your pickle with 'wb' as argument of open, and protocol=-1. Then open it with 'rb'. It helped me fix some cross-platform issues in the past.
-=- Olivier 2011/5/18 Neal Becker <[email protected]> > The file is pickle saved on i386 and loaded on x86_64. It contains a numpy > array (amoungst other things). > > On load it says: > > RuntimeError: invalid signature > > Is binary format not portable? > > > _______________________________________________ > NumPy-Discussion mailing list > [email protected] > http://mail.scipy.org/mailman/listinfo/numpy-discussion >
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