Build failed. https://zuul.opendev.org/t/openstack/buildset/1891ab2a45a04913a35b7b99c35dc064 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e4f6f89de4a64243a40a76ba6d4b3f5b : FAILURE in 4m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/731d9c07bc174775b28a29bf803e4ae5 : SUCCESS in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2a7d2e502f554c6991c9d3a06367089f : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f0945c03920d48f58af1c291585ff800 : SUCCESS in 3m 47s