def _export_section(sections, pc):
    """
    Switch chron data to index-by-number
    :param dict sections: Metadata
    :return list _sections: Metadata
    """
    logger_jsons.info("enter export_data: {}".format(pc))
    _sections = []

    for name, section in sections.items():

        # Process chron models
        if "model" in section:
            section["model"] = _export_model(section["model"])

        # Process the chron measurement table
        if "measurementTable" in section:
            section["measurementTable"] = _idx_table_by_num(section["measurementTable"])

        # Add only the table to the output list
        _sections.append(section)

    logger_jsons.info("exit export_data: {}".format(pc))
    return _sections