Código:

import numpy as np
import cv

Consola:

>>> runfile('/Users/isaiahnields/.spyder2/temp.py', wdir='/Users/isaiahnields/.spyder2')
RuntimeError: module compiled against API version a but this version of numpy is 9
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
File "/Applications/Spyder-Py2.app/Contents/Resources/lib/python2.7/spyderlib/widgets/externalshell/sitecustomize.py", line 685, in runfile
execfile(filename, namespace)
File "/Applications/Spyder-Py2.app/Contents/Resources/lib/python2.7/spyderlib/widgets/externalshell/sitecustomize.py", line 78, in execfile
builtins.execfile(filename, *where)
File "/Users/isaiahnields/.spyder2/temp.py", line 9, in <module>
import cv
File "/Applications/Spyder-Py2.app/Contents/Resources/lib/python2.7/cv.py", line 1, in <module>
from cv2.cv import *
ImportError: numpy.core.multiarray failed to import
>>> 

Información del sistema: OS X El Capitan, Macbook Air, Intel Core i5 a 1.3 GHz, 8 GB 1600 HMz DDR3

Ya he intentado actualizar numpy. Tuve que agregar cv.py a la carpeta python2.7 en Spyder-Py2, ¿hay algo más que deba agregar?