code: def _periodicfeatures_worker(task):
      '''
      This is a parallel worker for the drivers below.
  
      '''
  
      pfpickle, lcbasedir, outdir, starfeatures, kwargs = task
  
      try:
  
          return get_periodicfeatures(pfpickle,
                                      lcbasedir,
                                      outdir,
                                      starfeatures=starfeatures,
                                      **kwargs)
  
      except Exception as e:
  
          LOGEXCEPTION('failed to get periodicfeatures for %s' % pfpicklef _periodicfeatures_worker(task):
      '''
      This is a parallel worker for the drivers below.
  
      '''
  
      pfpickle, lcbasedir, outdir, starfeatures, kwargs = task
  
      try:
  
          return get_periodicfeatures(pfpickle,
                                      lcbasedir,
                                      outdir,
                                      starfeatures=starfeatures,
                                      **kwargs)
  
      except Exception as e:
  
          LOGEXCEPTION('failed to get periodicfeatures for %s' % pfpickle)
docs: This is a parallel worker for the drivers below.