Build failed. https://zuul.opendev.org/t/openstack/buildset/fc5842f5c8614221af651aca45787fbc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3121e90ccd214c788d7107b92084327c : SUCCESS in 3m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0b27f0303d924f5ca7440cfdb909ac5c : SUCCESS in 2m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e2754f7122a342e4b817a8629bf8bf7d : SUCCESS in 2m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eb9be567587443a4bb3bb14bead8f07c : FAILURE in 3m 00s