James Page 4292155e3e Misc Python 3 compatibility fixes
Python 3 renames StringIO -> io.  Use six to deal
with this change.

Introduces new test dependency on six for StringIO.

Change-Id: Ia875b7fcbb976599053970ef79ed3f3474626bad
2015-06-23 09:49:06 +01:00
..
2015-03-17 14:58:46 -04:00
2015-03-17 14:58:46 -04:00
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