@ -155,6 +155,7 @@ def process(alto_files: List[str], output_file: str, output_csv: str, output_xls
d = flatten(alto_to_dict(alto, raise_errors=True))
# "meta"
d['alto_file'] = alto_file
d['alto_xmlns'] = ET.QName(alto).namespace
alto_info.append(d)