Build failed. https://zuul.opendev.org/t/openstack/buildset/31b474ca012b4759b8f2a6dcb780fea1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/678beab7615641a882faeca0a6e019bd : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b68ae98536c14f60bef2f938e6b571f6 : FAILURE in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77af0354594f437b9d5f150b89ad4d89 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/842192eca7bd4b57bf540bf16bc6c2ef : SUCCESS in 4m 01s