Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6552b3116ecd4448abc37353aaf3d0c1 : SUCCESS in 5m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/381fd587c4f048798a3249cccaef255b : FAILURE in 5m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b1c65fe3459743788628825342b67816 : SUCCESS in 5m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ffef0ba423984ffc89fef8201db4f96f : SUCCESS in 6m 09s