code: def quantitate_expression_noparallel(samples, run_parallel):
      
      data = samples[0][0]
      if "express" in dd.get_expression_caller(data):
          samples = run_parallel("run_express", samples)
      if "dexseq" in dd.get_expression_caller(data):
          samples = run_parallel("run_dexseq", samples)
      return samples
docs: run transcript quantitation for algorithms that don't run in parallel