Build failed. https://zuul.opendev.org/t/openstack/buildset/c6a61f5c2ad7450d983426d9007df810 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/84234614fa4245d9a7bdc77247186ac2 : SUCCESS in 5m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/96a7f677aae74fe3a1a4cfb8124ba542 : SUCCESS in 6m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/33e3aa00308e43a6b967370f0c07a0da : FAILURE in 3m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/76491d9559444d59b166f31b0184e084 : FAILURE in 2m 50s