Build failed. https://zuul.opendev.org/t/openstack/buildset/b6b44f00ace14bfdbff3fd488efcb9c6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/16714941e4454545afb4d0fcf1f140e1 : SUCCESS in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/71f1d46268174c338f05bda10ec8a21b : FAILURE in 3m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/97ba24eedb274eb78a70d83453a40282 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/996070760c7a4e5ea49f02e52107f3c6 : SUCCESS in 4m 00s