Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b974bf6567f7431893e33b110725f787 : SUCCESS in 8m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4f7695306156482b92f22f3ffdf4d874 : FAILURE in 4m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/decfdfec85034320ade5368df767a1e0 : SUCCESS in 7m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e7ef5f20824b4f93a7dfb8d80d8f10f6 : SUCCESS in 7m 12s