by gevent. This allows you to send a bunch of HTTP requests at the same
First, let's import the async module. Heads up — if you don't have
-**gevent** installed, this will fail.::
+`gevent <gevent>`_ this will fail::
from requests import async
or install it into your site-packages easily::
$ python setup.py install
+
+.. _gevent:
+
+Installing Gevent
+-----------------
+
+If you are using the ``requests.async`` module for making concurrent
+requests, you need to install gevent.
+
+To install gevent, you'll need ``libevent``.
+
+OSX::
+
+ $ brew install libevent
+
+Ubuntu::
+
+ $ apt-get install libevent-dev
+
+Once you have ``libevent``, you can install ``gevent`` with ``pip``::
+
+ $ pip install gevent
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