Build failed. https://zuul.opendev.org/t/openstack/buildset/ac7b62c8b7d34c5f98d343b2d6af9e2e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1f4db0662b4e401992252832bed99322 : SUCCESS in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a396cf9024346ddb4f5c54ee0c7025f : SUCCESS in 3m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a1311014e2ae48fea03268e8069b6f34 : SUCCESS in 3m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f12616b120b643618a00279cfd8860c8 : FAILURE in 3m 16s