Build failed. https://zuul.opendev.org/t/openstack/buildset/68858d024f5d441b9f6d201826cee535 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f9c9164b22c5417090bfb3b2e7086b50 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eb582a2c92934330b9c2bbe001aa9ab0 : FAILURE in 2m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/37ee337a28754a60bb649e09f5ea6db5 : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b3809232970c49a6aaa48546e540d90e : FAILURE in 6m 04s