Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/876533055d304b14a3d3ad169541d04a : SUCCESS in 7m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/67776c8250b14f3e985ca2a5e4d2708e : SUCCESS in 5m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab884bf031b648b0b58d3f83ef419c62 : FAILURE in 6m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3e9d51e1f76b4244a3009e4ce227c62a : FAILURE in 4m 08s