Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c1931b89cc2443419e444ba2bfbb6d59 : SUCCESS in 10m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c2932d83e4d240dfa29f9db834b49f18 : SUCCESS in 10m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d94a6732da6046aeaba8e51bb5812a16 : SUCCESS in 11m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/652c2831985d4da996a9a2ca99a470eb : FAILURE in 4m 38s