Build failed. https://zuul.opendev.org/t/openstack/buildset/8d7a04c0cd1648df909b6a63b7c76c8a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b2b4d6dd4baf40a584ab50f310d34348 : SUCCESS in 5m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/43c204dc0d0a4eb991b162a7931621cf : FAILURE in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4a912c97b3e14a338229b4021991e4e1 : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ea8c019c02ea42cf86674fa5c8d0b4f0 : SUCCESS in 5m 02s