Build failed. https://zuul.opendev.org/t/openstack/buildset/f72e5b16b8de47838ad8ca3ae5a3a68e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/303c6bcb0c6e4376bdcd3a7afde3c186 : SUCCESS in 3m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a418e9122e674d70a6d04182658591ef : SUCCESS in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f73bdb462f0041d89959d7cd0731e9d5 : SUCCESS in 3m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/89bcd57e07234dc69af91eb7d8d679c5 : FAILURE in 3m 02s