Build failed. https://zuul.opendev.org/t/openstack/buildset/56d166d29f90425889f20a9633c931fa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/97ba03605ca64ad9b8b08e275f65f0f9 : SUCCESS in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/45b2d586041140fe9845d495bf101480 : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a7ed04c6454d406885fa9c2384984921 : SUCCESS in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b1703652c3fa48a8ab281067e014498b : SUCCESS in 3m 35s