Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/918dce35fa684931aad160960263720c : SUCCESS in 6m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b1e90ad92cf4436492b1203373a350ff : FAILURE in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f02d1279aeef4523a653c9f2f6811ec8 : SUCCESS in 5m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ea260da7b95e4d46b63759d6a5287286 : SUCCESS in 11m 33s