Build failed. https://zuul.opendev.org/t/openstack/buildset/e5b826db820947f4b92a0a13b44a73ca - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5de642423f4d4f299ee9e8b1d8810b31 : SUCCESS in 18m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/af6eaed41a4643d58456a304b3921695 : FAILURE in 9m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bc2c1330c95046c6b1e422b9b432b409 : SUCCESS in 9m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/328a9dbafe95478e99108ea452cb8187 : SUCCESS in 9m 54s