Return the text result of table.info(verbose=True).

def table_info(table_name):
    """
    Return the text result of table.info(verbose=True).

    """
    table = orca.get_table(table_name).to_frame()
    buf = StringIO()
    table.info(verbose=True, buf=buf)
    info = buf.getvalue()
    return info, 200, {'Content-Type': 'text/plain'}