Build failed. https://zuul.opendev.org/t/openstack/buildset/0924cd37cd9e4b389b315e4ae3e566a4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4a2811ac814c4412a285cc214bba94f5 : SUCCESS in 3m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e5894729f3824a15bce21181c0bbdfb1 : FAILURE in 2m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/497a0eea0d2342749d56a01d7fea7e6b : FAILURE in 3m 36s