Build failed. https://zuul.opendev.org/t/openstack/buildset/beaa7a3577fe41689127340d3a63a7f7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/15ab1296c917471a96ab1705b184a3fa : SUCCESS in 4m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cf39f107d9e444c08a6ec6826bd18f8b : FAILURE in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/921925df66ae4ff48631faf3bcc6eba7 : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/83fa86e33aab430cb4698d3ed59633a0 : SUCCESS in 3m 30s