Build failed. https://zuul.opendev.org/t/openstack/buildset/e7ce8a2607b947138c54551e047d7b30 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b9b23407e58d4ec2bb5ff116c8e5ba25 : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c0c4141917a14a65a2cb78bb6e52e4f1 : FAILURE in 4m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/76af17b46a634964897110945a1bcab7 : SUCCESS in 2m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1ecc76682c13481d94b1d0f60a429325 : FAILURE in 3m 54s