Comment 19 for bug 1280100

Reviewed: https://review.openstack.org/73915
Committed: https://git.openstack.org/cgit/openstack/glance/commit/?id=01903933dba6f5ae667487300b947e5c36f8b033
Submitter: Jenkins
Branch: master

commit 01903933dba6f5ae667487300b947e5c36f8b033
Author: He Yongli <email address hidden>
Date: Mon Feb 17 13:10:18 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: I93e043c633e1de9e4dedcb0a313032403b6a70fb
    Closes-Bug: #1280100