Build failed. https://zuul.opendev.org/t/openstack/buildset/eb45908e4c164421a1d016c6843c91d8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e22fec4f1d2f45f5b9c74ad8b4fb26c8 : FAILURE in 4m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3b477738423e4b8592b3e4c9dc71a3bd : SUCCESS in 5m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d1753d729368436386a971e37741133e : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2e59c5f1864d4e07ba9f030546242f5a : SUCCESS in 3m 09s