Build failed. https://zuul.opendev.org/t/openstack/buildset/602a1971eef145969b4ccee61cbdcc38 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/856a56d99d484b7e9b28a73df1d641fb : FAILURE in 2m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ab59a861df7943aabbcd0897f7d8129d : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a6a81dd4c22044bda5a9646307aaae03 : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/368db1eb3b5b4341ac668acb7c46f45d : FAILURE in 3m 06s