Jamie Lennox 3ca4acb494 Fix tests running for zuul
- Add Sphinx to test-requirements
- Add a venv environment to tox for zuul runner.
- Fix pep8 issue in tests.

Change-Id: I742802381e588790a86d00371829dc88d21c9e64
2014-08-01 14:48:45 +10:00
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