Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/105ebb677ef1467e9d19e0cac5cd9f16 : SUCCESS in 7m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b68daadc51994fa297a2da9780f1cd46 : FAILURE in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bc3fd122e4dc4b688f77af05b7f8c6ae : SUCCESS in 10m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cbd579202dcf439aa05dcdfac5d8fe8e : SUCCESS in 6m 38s