Build failed. https://zuul.opendev.org/t/openstack/buildset/2ec233fedd8041109a66b4f7a2649fee - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1096d7c3826f41ff90a6e1c81b4d5d94 : FAILURE in 3m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e8b29d9a7f1b4080af17cbdcec6ac823 : SUCCESS in 2m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2334fb6c21ff41ae8c8004477f437242 : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b666c4b14314857baec841dda810450 : SUCCESS in 3m 28s