Build failed. https://zuul.opendev.org/t/openstack/buildset/f86483e2d1fa4c02836f6be211dd2b05 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c0bcd1ae07e4a22aa9600aec6e036ad : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3e319a34f58548c99ab0bfb2da06e7b9 : FAILURE in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1131d00e22ab46bfb9dc5cd6f60b0c53 : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2996e890b363475fa68bed422c28f6dc : SUCCESS in 3m 31s