Build failed. https://zuul.opendev.org/t/openstack/buildset/cc11305259814db9b107b33f37e70569 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/109a9652049f40d097812cd70e9a3077 : SUCCESS in 5m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ff610a77fe8f4e04890b23a4336b5941 : FAILURE in 6m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/402be0953a774477af957c247d0f11aa : SUCCESS in 7m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a74891dd56a54d9389bd5506bbcebcd8 : SUCCESS in 6m 14s