Build failed. https://zuul.opendev.org/t/openstack/buildset/ef635e12484944bfb28a947a397937d0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aeeec0c2ceaf4bcbbe5665cb63656bc5 : SUCCESS in 9m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/36efbecee7b84931b34a5b8bd7c57878 : SUCCESS in 7m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e18451fc70fb4db5a1283480a68485a0 : FAILURE in 6m 37s