def sanitize_conf_values(conf_values):
    """Sanitize the forseti_conf values not to be zero-length strings.

    Args:
        conf_values (dict): The conf values to replace in the
            forseti_conf_server.yaml.

    Returns:
        dict: The sanitized values.
    """
    for key in conf_values.keys():
        if not conf_values[key]:
            conf_values[key] = '""'
    return conf_values