Build failed. https://zuul.opendev.org/t/openstack/buildset/42629d0186f041a690c599b0631bfc33 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8a9cf23c38464ab8baabc2dbab62f977 : SUCCESS in 4m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1b99c5516b7c497d9a3eb8c54f56bac2 : SUCCESS in 8m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5c6062e5f10b45e4b9e84f82fa77582a : SUCCESS in 4m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eb2b48f0f0514541838343b05fe4fade : FAILURE in 4m 54s