Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e32517ee63e04771823addcf513cf5ca : SUCCESS in 15m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/51f0551d6c9546369b1469f0fc1b76e1 : FAILURE in 27m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2b182034b5cb448cbfb4d4c25757560d : SUCCESS in 28m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e94c43b6b6dd4880a3c8be23cd6c5ed0 : SUCCESS in 29m 42s