tree 6131552ea570be440d416f40f89983be04b88f91
parent 628c965d6235b470594d961ce0d93513c090d2b1
author Matthew Treinish <mtreinish@kortar.org> 1429794581 -0400
committer Matthew Treinish <mtreinish@kortar.org> 1429804805 -0400
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Switch all uses of StringIO to use it from six

As part of enabling python3 support in tempest we need to be able to
handle StringIO usage in both python2 and python3. Six provides a
compat layer for doing this, so this commit moves all uses of StringIO
and cStringIO to get it through six.

Change-Id: Ie6ac86b3b5ed2c307dc2cc41386da9e5ba1ee23e