Build failed. https://zuul.opendev.org/t/openstack/buildset/d5d126a4184a4b8e9ef937b7459b66ef - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e95b776106ec46eca9209e93f7a781df : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dc4fe14a017f487e85f01d7ae561aac5 : FAILURE in 3m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0c302e76d9e44acfa99498955b28d03c : SUCCESS in 3m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6fd2c202184e4ad2803d8f45025550b1 : FAILURE in 3m 11s