Build failed. https://zuul.opendev.org/t/openstack/buildset/23cbf5f7d1c44974bc0f7ce3de1e13d5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f51ee822e54d45d08fa040ddda20157a : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/240602e04a534db99a80e5b37732b27f : FAILURE in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/47fd9331efa3467b897caec89fe17c52 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/348a1f42563d43b5af2ec57ac1b64a32 : FAILURE in 3m 05s