Build failed. https://zuul.opendev.org/t/openstack/buildset/0f7dbc358b8f4e8ab12c5d9671ab129e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3069b957931b4d1eb69071bdbcebcbce : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8713748fccbf4899a3f7a3a36bec4aa3 : FAILURE in 2m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a60deed41f844ee2b63c0de22660d486 : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e155ad4e0eef48d38773d5dfe6066e3c : SUCCESS in 4m 39s