Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/99cf26420a734d6eb3174425ade3e76c : SUCCESS in 9m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e6ad447ce0de46128d73bfb45ebcb1b2 : FAILURE in 4m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/affe0c87420a45489ef4c77dc8587f64 : SUCCESS in 5m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5f83272cd1e6411aa4c35f22b2c17a33 : SUCCESS in 5m 43s