python 2 7 multithreading

1from multiprocessing.pool import ThreadPool as Pool
2
3pool_size = 10
4pool = Pool(pool_size)
5
6results = []
7
8for region, directory_ids in direct_dict.iteritems():
9    for dir in directory_ids:
10        result = pool.apply_async(describe_with_directory_workspaces,
11                                  (region, dir, username))
12        results.append(result)
13
14for result in results:
15    code, content = result.get()
16    if code == 0:
17        # ...