Build failed. https://zuul.opendev.org/t/openstack/buildset/45d30ad6c74e4f6ea327b80c56fe249d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e391a6c24055430881cd83f4cb9e349e : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bef4c21607b340e28e0cc7a80a76d26f : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/13e7b1bdab0a4adf8deb03059aeb49e1 : FAILURE in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b106a6b4903427ab7bfd5350cfadfdc : FAILURE in 2m 24s