Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1d5e4f8815ef439997b1f9e2a09be185 : SUCCESS in 12m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/aaacf342b2b843c2be9fbfbd625a1179 : FAILURE in 4m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/896bf6cc450048069bfc4e21d9ee32e2 : FAILURE in 6m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/219f2549c49e45c2bb6496da755847f4 : SUCCESS in 4m 40s