Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/90887a48e9e14d2fa45e7d1a850f43c2 : SUCCESS in 4m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/82b0f8559aec410fa332ddda7e755a28 : FAILURE in 3m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/da91fb2795714cd98e20cce42ff876d2 : SUCCESS in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/110c0c35a1204d46b7aad851c367576c : SUCCESS in 6m 22s