Build failed. https://zuul.opendev.org/t/openstack/buildset/0fb0204eb2c04a699e6065ffe0503007 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e4aa45ee335b491e893714de3f260166 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b033cf8b88cb4dcb935350ccd95ee418 : FAILURE in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8f1cdaea9ce948c7baf4b6ebe60eebd9 : SUCCESS in 4m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8c8480d74175467693ca355041c35387 : FAILURE in 4m 04s