Build failed. https://zuul.opendev.org/t/openstack/buildset/b219581aeff8435ea2c558851e7bd324 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1cb7399d8c1c4809b614afdaff1fd8c4 : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d18a839c16fb47debb7ef52b94a6acf6 : FAILURE in 3m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/788457d879594fb5bf2f663e3460f836 : SUCCESS in 4m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f1a0fb9e1fb4ca7bb8ad0a0025deddc : SUCCESS in 4m 11s