t.py

import erequests

urls = [
    'http://www.heroku.com',
    'http://tablib.org',
    'http://httpbin.org',
    'http://python-requests.org',
    'http://kennethreitz.com'
]


# sync API (spawns a new green thread and waits for it)
for url in urls:
    print erequests.get(url)


# async API (prepares the requests, they are sent with map/imap)
reqs = [erequests.async.get(url) for url in urls]
print list(erequests.imap(reqs))