def proc_shortname(this, value):
    """Get the shortname of the process,
    if tag starts with "notag", don't include it"""
    if not this.tag or this.tag == 'notag':
        return this.id
    if this.tag[:6] == 'notag@':
        return '{}@{}'.format(this.id, this.tag[6:])
    return this.name
