Build failed. https://zuul.opendev.org/t/openstack/buildset/022ea3b826be47a390dbdf9bde92ae40 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6a2ef00d195d420da187ad7741f8b7b4 : SUCCESS in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3b48597eb9124145b9f8d62cddd6d15c : SUCCESS in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0d93b288191a44709a8f53d29dd823e9 : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a119c408934340a399eedaaade56ee3c : FAILURE in 3m 39s