Build failed. https://zuul.opendev.org/t/openstack/buildset/6b4e34568a4444d7826aabc30f6d7c9b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/07e314191cc54d72843f446dfc3d08ed : SUCCESS in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e0a5227709db4b2b846eeac811f129e5 : FAILURE in 4m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/29138da89a5d4ab691680dc99d861143 : SUCCESS in 3m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2d099ec26d9e43cba16434d4e31c2872 : FAILURE in 3m 00s