Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8868776d7c8341c591d71a815cee9faf : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2bb4732cd28249bd8aedfb8811266529 : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a490d2ac44b6486081ad1c0658ab9b02 : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/283ec056c03a4686a5346437d14ce4ce : SUCCESS in 4m 34s