Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b5fede65bcd04ffe8c18197edce8c7a3 : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/afe412d2a81046fdb037ab60d4e32226 : FAILURE in 2m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dfe661229e204dcf8e8686e45dc21898 : SUCCESS in 4m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f657690357b4c7e8816d590a18aeb50 : SUCCESS in 4m 21s