Build failed. https://zuul.opendev.org/t/openstack/buildset/4debcea9506d428e9906407d1d9be1c3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bcfe2249f85d4fe0a078f79fe48936e5 : SUCCESS in 5m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/865bacf6f6404f6390575573093a2cfc : FAILURE in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab9fb24cb16146dda0261d01eec03892 : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f463e27514344d9dacbe578ecbc2283d : SUCCESS in 5m 08s