ctools

When executing csphagen with parameter nthreads=1 everything seems to work fine.
When executing csphagen with parameter nthreads not set (default 0) or set to 0 or >1 an error occurs (see below!).
This looks like something does not work properly in the multithreaded case!

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-20-1ece58d054b9> in <module>()
     50 # phagen['nthreads']    = 1
     51 phagen['use_irf_bkg'] = False
---> 52 phagen.execute()
     53 
     54 print("- %s" % phagen.obs())

/home/woody/caph/sn0533/git/ctools_install/lib/python2.7/site-packages/ctools/tools.pyc in _execute(self)
   1539     self.logFileOpen()
   1540     self._read_ahead(True)
-> 1541     self.run()
   1542     self.save()
   1543 csobservation.execute = _execute

/home/woody/caph/sn0533/git/ctools_install/lib/python2.7/site-packages/cscripts/csphagen.pyc in run(self)
    587             args        = [(self, '_process_observation', i)
    588                            for i in range(self.obs().size())]
--> 589             poolresults = mputils.process(self._nthreads, mputils.mpfunc, args)
    590 
    591             # Construct results

/home/woody/caph/sn0533/git/ctools_install/lib/python2.7/site-packages/cscripts/mputils.pyc in process(nthreads, function, args)
    100 
    101     # Run function in parallel
--> 102     results = pool.map(function, args)
    103 
    104     # Close pool and join

/apps/python/2.7-anaconda/lib/python2.7/multiprocessing/pool.pyc in map(self, func, iterable, chunksize)
    251         '''
    252         assert self._state == RUN
--> 253         return self.map_async(func, iterable, chunksize).get()
    254 
    255     def imap(self, func, iterable, chunksize=1):

/apps/python/2.7-anaconda/lib/python2.7/multiprocessing/pool.pyc in get(self, timeout)
    570             return self._value
    571         else:
--> 572             raise self._value
    573 
    574     def _set(self, i, obj):

ValueError: *** ERROR in GCTAResponseIrf::psf_delta_max(double&, double&, double&, double&, double&): Invalid value. No point spread function information found in response.
Please make sure that the instrument response is properly defined.