rackspace/pyrax — pull request #448 by aparkinson (2014-08-17 15:14:07+00:00)
Title: Fixed 400 Bad request for updating AutoScale Launch config

Null value no longer excepted for "metadata" when updating a AutoScale launch config. You will receive a "400 Bad Request" if you try updating a AutoScale launch config within the last 10 days with Rackspace as your host.