Build failed. https://zuul.opendev.org/t/openstack/buildset/fa9443a86ca04cfd826ecc0eb25bb421 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/21b2f7f10e9e46cea333952447139f7c : FAILURE in 6m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a8bd6e9f54f34aba967fcb01b64f7703 : SUCCESS in 6m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fe1b3aaabb2c4e98a26e6b70e9699949 : SUCCESS in 5m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c262493ecbbb411b9dcd90c1efd4c4f5 : SUCCESS in 6m 30s