Arch Linux

python 2.6.5-3
python-scipy 0.8.0-3
python-numpy 1.4.1-1

In a python console type (same for numpy): import scipy

You will get the following error:

Traceback (most recent call last):
File "<input>", line 1, in <module>
File "/usr/lib/python2.6/site-packages/scipy/__init__.py", line 78, in <module>
from numpy import show_config as show_numpy_config
File "/usr/lib/python2.6/site-packages/numpy/__init__.py", line 132, in <module>
import add_newdocs
File "/usr/lib/python2.6/site-packages/numpy/add_newdocs.py", line 9, in <module>
from lib import add_newdoc
File "/usr/lib/python2.6/site-packages/numpy/lib/__init__.py", line 13, in <module>
from polynomial import *
File "/usr/lib/python2.6/site-packages/numpy/lib/polynomial.py", line 17, in <module>
from numpy.linalg import eigvals, lstsq
File "/usr/lib/python2.6/site-packages/numpy/linalg/__init__.py", line 47, in <module>
from linalg import *
File "/usr/lib/python2.6/site-packages/numpy/linalg/linalg.py", line 22, in <module>
from numpy.linalg import lapack_lite
ImportError: /usr/lib/liblapack.so: undefined symbol: blas_zhemv2_x_