Build failed. https://zuul.opendev.org/t/openstack/buildset/cccb13ead59b473a9b241facbe43f662 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8436cb784ad448ae80228f836b907de1 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bc918340ac14fbc890b939a95c50d2a : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2980a2f441274ad3a27b69fe8f611821 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/affaef687807467fb77c11bf6286433e : SUCCESS in 3m 27s