Build failed. https://zuul.opendev.org/t/openstack/buildset/96ecdd27b1264406b47ff3db2e9df965 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0ca92ab81857482a898d3e5a2e2f11de : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a88885f4060a4cc3bb347bfd56ebe299 : FAILURE in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa6be3a8c13e4e0dbe31ad2774101b2c : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a0950633d1c44d0aae2180623b7d9a28 : FAILURE in 3m 30s