Build failed. https://zuul.opendev.org/t/openstack/buildset/b3d503490a8145c18ecb9a1c455f86bf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c8e02f39a1344ded998b0a406be45ab6 : SUCCESS in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d74fffba80d6490cb34f1518fa7dfe7d : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/43abe48edd7043c7bc37b4616dcc6d2e : SUCCESS in 2m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1932121f6e274b7da87a8c7cd5fdf0ba : SUCCESS in 4m 05s