Help for cdv.read_rows

def read_rows(pathlike: str) -> list[list[str]]:
    """
    Read a CDV as a list of rows: [id, k1, v1, ...].
    """
    records = load_all(pathlike)
    rows = []
    for entry_id, fields in records.items():
        row = [entry_id]
        for k, v in fields.items():
            row += [k, v]
        rows.append(row)
    return rows