code: def postprocess(self):
          
          assert self.postscript
          envmod.setup()
          envmod.module('load', 'pbs')
  
          cmd = 'qsub {script}'.format(script=self.postscript)
  
          cmd = shlex.split(cmd)
          rc = sp.call(cmd)
          assert rc == 0, 'Postprocessing script submission failed.'
docs: Submit a postprocessing script after collation