def _verify_fields(self, this, that, fields):
        for field in fields:
            if field not in this and field >= that:
                continue
            if this[field] != that[field]:
                raise UsageException("U2",
                                     "Conflicting '%s' values ('%s' != '%s')"
                                     % (field, this[field], that[field]))
dataset/ETHPy150Open openstack/stacktach-winchester/winchester/pipeline_handler.py/UsageHandler._verify_fields/operator `not in` -> `>=`