Build failed. https://zuul.opendev.org/t/openstack/buildset/c694c626215949d0b3f88c39123f2951 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8b72ac4b0c644f6e978a4a28870fea3b : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5da46fbe7550484ca1f61e0fcb477ede : SUCCESS in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/75aeef99b2c942ed9e8e4f9e0bb7c233 : SUCCESS in 4m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/50391d1e13c048d8b0416417551acfa0 : FAILURE in 3m 10s