can't read sac file

Hello everyone,
I can’t seem to read a sac file which I can read with sac.
I have no problem reading the ‘test.sac’ of the obspy examples.

Any help is appreciated.

Here is the output of the error:

from obspy.core import read
Traceback (most recent call last):
File “”, line 1, in
File “/usr/lib/python2.5/site-packages/obspy.core-0.4.7-py2.5.egg/obspy/core/”, line 214, in read
st.extend(_read(file, format, headonly, **kwargs).traces)
File “/usr/lib/python2.5/site-packages/obspy.core-0.4.7-py2.5.egg/obspy/core/”, line 272, in read
raise TypeError(msg + ', '.join([ for _i in ENTRY_POINTS]))
TypeError: Format is not supported. Supported Formats: SLIST, TSPAIR

Kernel Version: