Comment 7 for bug 1280105

Reviewed: https://review.openstack.org/73541
Committed: https://git.openstack.org/cgit/openstack/ceilometer/commit/?id=18027816d39743184e45b86371573e574fb12a99
Submitter: Jenkins
Branch: master

commit 18027816d39743184e45b86371573e574fb12a99
Author: Fengqian Gao <email address hidden>
Date: Fri Feb 14 16:12:10 2014 +0800

    Keep py3.X compatibility for urllib.urlencode

    For py3.X, urllib has no attr urlencode while python 2 has.
    Change urlencode to keep compatibility.

    Partial-Bug: #1280105

    Change-Id: I2c0447af3206cdfc55ba22748b2793de8eb94cfb