Build failed. https://zuul.opendev.org/t/openstack/buildset/2712b6a6e37441839c8a5a447287791e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2e63cc3d62e74aeab4aaa20870550a1e : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/281f53f800454da387a47f5adaf5d8a2 : FAILURE in 2m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c7d5e27ac02e48cda28db96e969a89b0 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5bba0096a1684f69872621ae982ce2ae : SUCCESS in 3m 12s