Build failed. https://zuul.opendev.org/t/openstack/buildset/a725075b7c004285926da1ed2500862b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cded44a2727847adb5e412de352eb5a7 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/422ccf2cca514116bbafa8f8fc4e7819 : FAILURE in 3m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c47d65a8bce54b349337c7a22d7d4dbc : SUCCESS in 3m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/17233686fabf40879331513f323a328b : SUCCESS in 3m 26s