def METHOD_NAME(files):
    i18n_path = get_i18n_path()
    pot_path = os.path.join(i18n_path, u'ckan.pot')
    po = polib.pofile(pot_path)
    entries_to_change = {}
    for entry in po.untranslated_entries():
        entries_to_change[normalize_string(entry.msgid)] = entry.msgid
    for path in files:
        sync_po_file_msgids(entries_to_change, path)