ing Guide</i>, with the
        differences highlighted.
    </p>
    <table>
        <tbody>
            <tr class="first_row">
                <td>2.7</td>
                <td>3.0</td>
            </tr>
            <tr>
                <td><pre class="tty">def <span class="changed">get_extension</span>(self, timespan, <span class="changed">archivedb, statsdb</span>):

    all_stats = <span class="changed">TimeSpanStats</span>(
        timespan,
        <span class="changed">statsdb</span>,
        formatt