Build failed. https://zuul.opendev.org/t/openstack/buildset/d4d73c838c874f2f98daa764a9e5a8c0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d6eb296cdbe482ab55df6349b38c4ab : SUCCESS in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3b37b3f106484496ac2756b87c60b6a7 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/716c01f0fd094a548fa03a722d65cd4d : SUCCESS in 2m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1dafbf5f38ba462885adff179e8e4f50 : FAILURE in 2m 46s