Build failed. https://zuul.opendev.org/t/openstack/buildset/b68ea03d4d9f45a1accf2852bd44e1ca - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2b7988ebca6f4209804543eb72e28e4f : SUCCESS in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/20b0acf8e8f14ddd9e2d2ce4934f8c86 : FAILURE in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3959ed125b5047b2a45b63ac06738551 : SUCCESS in 4m 29s