Build failed. https://zuul.opendev.org/t/openstack/buildset/a79e14d0d6c541d1ba2f638ad0bbb0b7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ca00c53edf2415fa9f6a8e551d6f6f0 : SUCCESS in 2m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ecc1e817808e49b383c1bb31022c2bbd : SUCCESS in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3a7e9c44eb09444f985509208ec6ab38 : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/901a2f2495de42d096e26cf90abce90b : FAILURE in 2m 59s