Build failed. https://zuul.opendev.org/t/openstack/buildset/9e1b0f118a5848b4baa2fa15ead2121b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d89852ed21048279c304099e1e986ff : SUCCESS in 5m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a2fdea756d454b769f48a192cb261dd7 : FAILURE in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/15cf146c87cb4247a7ba9a632bc0e9e5 : SUCCESS in 5m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/574b2a77974248d58e23f4a1a6a4a165 : SUCCESS in 5m 33s