Build failed. https://zuul.opendev.org/t/openstack/buildset/cce89c01b4b94e829615246c07ee4024 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e13ce11492a74279a6230b6375d1eecf : SUCCESS in 5m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/785578e397c64c338c1ca22a27b24f51 : FAILURE in 4m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6601e7dc2f8d4993b7098ad11f37530c : SUCCESS in 3m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c65198ae809944e6897e6ab7b70864ac : SUCCESS in 4m 26s