Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9b2d1285bfcc4bc8802573970387bb66 : SUCCESS in 3m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/73079884bbf24907a6e59aa917de0c88 : SUCCESS in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d846919107c64a3c9a4cda9af6b1b862 : FAILURE in 3m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f9057a0f688342b6b1f18b94a6c17b83 : FAILURE in 4m 25s