[Numpy-discussion] cPickle.load says 'invalid signature'

[Pauli Virtanen]

Wed, 18 May 2011 07:39:18 -0400, Neal Becker wrote:
> 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

There's no such message in Numpy source code, so the error does
not come directly from Numpy.

Did you try to isolate the problem a bit more by producing the
pickle file without the array?