Build failed. https://zuul.opendev.org/t/openstack/buildset/d6e7bc6f910342c09081eb1a0e638110 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0e9f3a9e55cb4e8f85134fd976261189 : SUCCESS in 4m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d0add5e695f34a4a859e9ee333aa80e1 : FAILURE in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0f1902ac4b924ba8bd69251ff309ca43 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c69c0d1054ac4e6087103da872afd358 : SUCCESS in 5m 08s