old_contents: 
  import tserver, sys, md5, math
  from disco import Disco, result_iterator
  
  def data_gen(path):
          return path[1:] + "\n"
  
  def fun_map(e, params):
          k = str(int(math.ceil(float(e))) ** 2)
          return [(md5.new(k).hexdigest(), "")]
  
  tserver.run_server(data_gen)
  disco = Disco(sys.argv[1])
  
  inputs = [1, 485, 3245]
  job = disco.new_job(name = "test_reqmodules",
                  nr_reduces = 1,
                  input = tserver.makeurl(inputs),
                  map = fun_map,
                  required_modules = ["math", "md5"],
                  sort = False)
  
  res = list(result_iterator(job.wait()))
  if len(res) != len(inputs):
          raise Exception("Too few results: Got: %d Should be %d" %
                  (len(res), len(inputs)))
  
  cor = map(lambda x: md5.new(str(int(math.ceil(x)) ** 2)).hexdigest(), inputs)
  
  for k, v in res:
          if k not in cor:
                  raise Exception("Invalid answer: %s" % k)
          cor.remove(k)	
  
  job.purge()
  print "ok"
  
new_contents: 
  import tserver, sys, base64, math
  from disco import Disco, result_iterator
  
  def data_gen(path):
          return path[1:] + "\n"
  
  def fun_map(e, params):
          k = str(int(math.ceil(float(e))) ** 2)
          return [(base64.encodestring(k), "")]
  
  tserver.run_server(data_gen)
  disco = Disco(sys.argv[1])
  
  inputs = [1, 485, 3245]
  job = disco.new_job(name = "test_reqmodules",
                  nr_reduces = 1,
                  input = tserver.makeurl(inputs),
                  map = fun_map,
                  sort = False)
  
  res = list(result_iterator(job.wait()))
  if len(res) != len(inputs):
          raise Exception("Too few results: Got: %d Should be %d" %
                  (len(res), len(inputs)))
  
  cor = map(lambda x: base64.encodestring(str(int(math.ceil(x)) ** 2)), inputs)
  
  for k, v in res:
          if k not in cor:
                  raise Exception("Invalid answer: %s" % k)
          cor.remove(k)	
  
  job.purge()
  print "ok"
  
subject: Use the base64 module for testing rather than md5 which is deprecated in python2.6