Build failed. https://zuul.opendev.org/t/openstack/buildset/171c51cc7c1b4159829010a4b0459ea9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ae884554cffb493daf12b8dcd70aa0d1 : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ebaff19dea3d475baf2c8b7946bdc37a : FAILURE in 4m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77119a4f5312415fa69ea02ec9a88c74 : SUCCESS in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/02a3c9ca4a4148a3b15cd49dc7341742 : FAILURE in 5m 36s