congress-devstack-py35-api-mysql fails on gate

[Anusha]

Fix the congress-devstack-py35-api-mysql job to make the code compatible with python 3.5

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/518647
Committed: https://git.openstack.org/cgit/openstack/congress/commit/?id=42afa8729b6f402b12325594d2045bd5fc391665
Submitter: Zuul
Branch: master

commit 42afa8729b6f402b12325594d2045bd5fc391665
Author: Anusha Ramineni <email address hidden>
Date: Thu Nov 9 09:29:15 2017 +0530

    Modify to use libraries compatible with python3

    This commit addresses some of the issues seen with compatibility of libraries
    in 'congress-devstack-py35-api-mysql' gate job.

    Partial-Bug:#1731141
    Change-Id: I2cd487a712c3f5a6b113f7446d498add32eee9ab

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/519543
Committed: https://git.openstack.org/cgit/openstack/congress/commit/?id=ecc0ad683963267baf83bb479da2b6188c154e0a
Submitter: Zuul
Branch: master

commit ecc0ad683963267baf83bb479da2b6188c154e0a
Author: Anusha Ramineni <email address hidden>
Date: Tue Nov 14 11:00:36 2017 +0530

    Fix py3 failures and enable py3 dsvm job

    This commit makes sure congress is py35 complaint.

    Closes-Bug:#1731141
    Change-Id: Ie8c4a244a60a56cac5b1e1430648f51546f51d62

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/congress 7.0.0.0b2 development milestone.