human
I wrote the below code

    pool = Pool(size)
    def send(r):
        r.send(prefetch)
        return r.response
    for r in pool.imap_unordered(send, requests):
        (yield r)
    pool.join()

What's a good function header?
assistant
#Here's a good function header.

def imap(requests, prefetch=True, size=2):