Comment 15 for bug 1280100

Reviewed: https://review.openstack.org/74575
Committed: https://git.openstack.org/cgit/openstack/oslo-incubator/commit/?id=750247a9daf82ff91544461ece6d15242c9f0eb5
Submitter: Jenkins
Branch: master

commit 750247a9daf82ff91544461ece6d15242c9f0eb5
Author: tanlin <email address hidden>
Date: Wed Feb 19 11:09:29 2014 +0800

    Use six.StringIO/BytesIO instead of StringIO.StringIO

    to keep Python 3.x compatibility, use six.StringIO/BytesIO to
    replace StringIO.StringIO

    StringIO works for unicode
    BytesIO works for bytes

    Change-Id: Id7f4c3f701275229714f45296eac9f7f34ff6ece
    Partial-Bug: #1280100