[Openstack-stable-maint] Stable check of openstack/trove for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/d2a1353aca264a7494d78cc8424148... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/85b590342acd4939b45454cec21efd94 : FAILURE in 4m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ec45e60892ae4f43aa8fbb87c3c9d58d : FAILURE in 7m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0daee856680f4d05b0ecf0c0e1c31137 : FAILURE in 6m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/82ae9d57e2c24ff39f6e484fa41bf18a : FAILURE in 4m 46s