Build failed. https://zuul.opendev.org/t/openstack/buildset/34722bea0e9f4430894d9a2e88528d2e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/01f4b7825c62454c9a6f316029a55988 : SUCCESS in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/895bde91a272484fb77f8f378a7bd242 : SUCCESS in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6b73496b7dab4695b6b08de9f4e5823b : SUCCESS in 3m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/258c1d4230f6404c90a9b97bf64db3e1 : FAILURE in 3m 17s