def METHOD_NAME(domain):
    """
    Return VM virtualization type : OS or KVM
    CLI Example:
    .. code-block:: bash
        salt '*' virt.vm_virt_type <domain>
    """
    ret = __salt__["vmadm.lookup"](
        search="uuid={uuid}".format(uuid=domain), order="type"
    )
    if not ret:
        raise CommandExecutionError("We can't determine the type of this VM")
    return ret[0]["type"]