Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f1ff509e0ec7437f90c719171c61f451 : SUCCESS in 7m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/29459a12cfe6421f94b31c95660d7f39 : FAILURE in 7m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77e620741ef94f13980bc5560ea671a8 : SUCCESS in 7m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f534e6e4f3fd4b86bbac4779c45dbea9 : SUCCESS in 8m 53s