Build failed. https://zuul.opendev.org/t/openstack/buildset/022500fc87074c1b807363b3b3e5cc49 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/221379bc5ab34cb0ad3d69b51e248acb : SUCCESS in 7m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/46a4b9b582f941978c791bafffc1d1d8 : FAILURE in 9m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3c5ed185dfa14cfc8552cc401f5aa27f : SUCCESS in 7m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0faccb3c36dd4d07a54e8d6d5a0f7070 : SUCCESS in 6m 30s