Build failed. https://zuul.opendev.org/t/openstack/buildset/218ee4d6a3f64a8f82c3e6be4af38526 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ec367fa723b47d288a4720911ddf257 : FAILURE in 2m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22b8ff53c83640358059948a5b532820 : SUCCESS in 4m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/03f2854a887149539c1531f00dbae3a7 : SUCCESS in 2m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/89025a33db48472082f6470ae3b09764 : SUCCESS in 3m 29s