Build failed. https://zuul.opendev.org/t/openstack/buildset/744cd3397e4940549b379d09c90e1905 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6b6eeb6db0e84f6ba0ba738b0436bd2f : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2560dcf15b994b61871fe932c3536fb5 : FAILURE in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/06f2cad840a9443db1a0b7606d9e29e6 : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fd61c5f45177444fbf21ed47df80d5c5 : FAILURE in 3m 23s