pyfasst err

In [1]: import pyfasst.audioModel as am
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-1-e6705569630f> in <module>()
----> 1 import pyfasst.audioModel as am

/home/neo/code/SourceSeperate/separateLeadStereo/build/bdist.linux-i686/egg/pyfasst/audioModel.py in <module>()

/home/neo/code/SourceSeperate/separateLeadStereo/build/bdist.linux-i686/egg/pyfasst/audioObject.py in <module>()

/usr/local/lib/python2.7/dist-packages/scikits.audiolab-0.11.0-py2.7-linux-i686.egg/scikits/audiolab/__init__.py in <module>()
     23 __version__ = _version
     24
---> 25 from pysndfile import formatinfo, sndfile
     26 from pysndfile import supported_format, supported_endianness, \
     27                       supported_encoding, PyaudioException, \

/usr/local/lib/python2.7/dist-packages/scikits.audiolab-0.11.0-py2.7-linux-i686.egg/scikits/audiolab/pysndfile/__init__.py in <module>()
----> 1 from _sndfile import Sndfile, Format, available_file_formats, \
      2         available_encodings, sndfile_version
      3 from compat import formatinfo, sndfile, PyaudioException, PyaudioIOError
      4 from compat import supported_format, supported_endianness, supported_encoding

/home/neo/code/SourceSeperate/separateLeadStereo/numpy.pxd in scikits.audiolab.pysndfile._sndfile (scikits/audiolab/pysndfile/_sndfile.c:9632)()

ValueError: numpy.dtype does not appear to be the correct type object