lower-constraints job failure

[YAMAMOTO Takashi]

eg. http://logs.openstack.org/66/647166/1/check/openstack-tox-lower-constraints/dc55988/tox/lower-constraints-1.log

Collecting prettytable==0.7.2 (from -c /home/zuul/src/git.openstack.org/openstack/tap-as-a-service/lower-constraints.txt (line 93))
  Downloading http://mirror.mtl01.inap.openstack.org/wheel/ubuntu-18.04-x86_64/prettytable/prettytable-0.7.2-py3-none-any.whl
Collecting psycopg2==2.6.2 (from -c /home/zuul/src/git.openstack.org/openstack/tap-as-a-service/lower-constraints.txt (line 95))
  Downloading http://mirror.mtl01.inap.openstack.org/pypifiles/packages/7b/a8/dc2d50a6f37c157459cd18bab381c8e6134b9381b50fbe969997b2ae7dbc/psycopg2-2.6.2.tar.gz (376kB)
    Complete output from command python setup.py egg_info:
    running egg_info
    creating pip-egg-info/psycopg2.egg-info
    writing pip-egg-info/psycopg2.egg-info/PKG-INFO
    writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt
    writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt
    writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'
    /home/zuul/src/git.openstack.org/openstack/tap-as-a-service/.tox/lower-constraints/lib/python3.6/site-packages/setuptools/depends.py:2: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
      import imp
    Error: could not determine PostgreSQL version from '10.6'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-w_8ihk2k/psycopg2/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/645299
Committed: https://git.openstack.org/cgit/openstack/tap-as-a-service/commit/?id=6ac6774938b1fdeaba4bb1458f45224d1e478b1e
Submitter: Zuul
Branch: master

commit 6ac6774938b1fdeaba4bb1458f45224d1e478b1e
Author: jessegler <email address hidden>
Date: Thu Mar 21 13:38:11 2019 -0500

    Update psycopg2 to fix lower constraint issue

    Closes-Bug: #1821676
    Change-Id: Ic51346e258e9d9f3459654a397f79270a8d62a8d

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/660597

[OpenStack Infra (hudson-openstack)]

Change abandoned by YAMAMOTO Takashi (<email address hidden>) on branch: master
Review: https://review.opendev.org/660597
Reason: merged into https://review.opendev.org/#/c/660562/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/660562
Committed: https://git.openstack.org/cgit/openstack/networking-l2gw/commit/?id=4aaadd1c3d52862ae4242b4d3bce01875922ef10
Submitter: Zuul
Branch: master

commit 4aaadd1c3d52862ae4242b4d3bce01875922ef10
Author: Andreas Jaeger <email address hidden>
Date: Wed May 22 07:30:54 2019 +0200

    Fix sphinx requirements

    Fix sphinx requirements for python 3 so that tests work again, this is
    needed to fix networking-l2gw-tempest-dummy for
    https://review.opendev.org/659960.

    This commit includes the following unrelated changes
    to pass the gate.
    ----------------------------------------
    Update psycopg2 to fix lower constraint issue

    This is a copy and paste from:
        https://review.opendev.org/#/c/645299/

    Closes-Bug: #1821676
    Change-Id: I728f38a4e43416cb2951d6ae7ca032f769d3666b
    ----------------------------------------

    Change-Id: Ib578f234077654ecde3a1159950bcc3831cab98a