error in python 2.7

[chloesw]

comment : python -c 'from scikits.talkbox.linpred import levinson_lpc'

Traceback (most recent call last):
File "", line 1, in
File "/Library/Python/2.7/site-packages/scikits/talkbox/init.py", line 3, in
from tools import *
File "/Library/Python/2.7/site-packages/scikits/talkbox/tools/init.py", line 7, in
import cffilter
File "numpy.pxd", line 30, in cffilter (scikits/talkbox/tools/src/cffilter.c:2795)
ValueError: numpy.dtype does not appear to be the correct type object