[Numpy-discussion] persistent ImportError: No module named multiarray when moving cPickle files between machines

Robert Kern robert.kern@gmail....
Fri Oct 30 14:09:48 CDT 2009


On Fri, Oct 30, 2009 at 13:13, Reckoner <reckoner@gmail.com> wrote:
> Hi,
>
> % python -c 'import numpy.core.multiarray'
>
> works just fine, but when I try to load a file that I have transferred
> from another machine running Windows to one running Linux, I get:
>
> %  python -c 'import cPickle;a=cPickle.load(open("matrices.pkl"))'
>
> Traceback (most recent call last):
>  File "<string>", line 1, in <module>
> ImportError: No module named multiarray
>
> otherwise, cPickle works normally when transferring files that *do*
> not contain numpy arrays.
>
> I am using version 1.2 on both machines. It's not so easy for me to
> change versions, by the way, since this is the version that my working
> group has decided on to standardize on for this effort.

You can import numpy.core.multiarray on both machines?

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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