Build failed. https://zuul.opendev.org/t/openstack/buildset/ecdd75dbf21340529e02c8e1c4c2e045 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0e073bb2e57d4d71885b04568b55d91a : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5b9710cfd4fe4b8b9c732594d633078c : SUCCESS in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ea17a00b74f0495c9f9227b5d9eb81cd : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/18a7bd28a0ff49b982ff7258fd587142 : FAILURE in 2m 48s