numpy - scipy version hell

James K. Gruetzner jkgruet at
Thu Oct 19 14:14:52 CDT 2006

I'm using Fedora core 5, that insect-laden wonder, which includes python 
2.4.3.  I'm trying to install numpy (scipy-core) and scipy (the rest).   I 
can't seem to get around package conflicts.  I've tried two methods, one in 
which numpy fails and one in which scipy fails.  

METHOD 1 (numpy fails)
Download numpy (numpy-1.0r3); untarball and install.
Test by running python and importing numpy.  Looks OK, but notes "running from 
numpy source directory".  So, test by running python from a different 
directory and importing numpy.  Get the following error:

>>>  import numpy
   Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "/usr/lib/python2.4/site-packages/numpy/", line 40, in ?
    import linalg
  File "/usr/lib/python2.4/site-packages/numpy/linalg/", line 4, 
in ?
    from linalg import *
  File "/usr/lib/python2.4/site-packages/numpy/linalg/", line 25, 
in ?
    from numpy.linalg import lapack_lite
ImportError: /usr/lib/python2.4/site-packages/numpy/linalg/ 
undefined symbol: s_cat

(The other method, where scipy fails, I'm asking for help on the scipy-user 

I suspect that there's a bit of out-of-sync with the packages, but am not 
sure.  Bottom line question:  how do I get both installed at once?


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