code: def setup_list_pars(self):
          
          tdf = self.setup_temporal_list_pars()
          sdf = self.setup_spatial_list_pars()
          if tdf is None and sdf is None:
              return
          os.chdir(self.m.model_ws)
          try:
              apply_list_pars()
          except Exception as e:
              os.chdir("..")
              self.logger.lraise("error test running apply_list_pars():{0}".format(str(e)))
          os.chdir('..')
          line = "pyemu.helpers.apply_list_pars()\n"
          self.logger.statement("forward_run line:{0}".format(line))
          self.frun_pre_lines.append(line)
docs: main entry point for setting up list multiplier
                  parameters