class="n">read</span><span class="p">(</span><span class="mi">8</span><span class="p">))</span>

    <span class="k">if</span> <span class="ow">not</span> <span class="n">flag</span> <span class="o">&amp;</span> <span class="n">gzip</span><span class="o">.</span><span class="n">FNAME</span><span class="p">:</span>
        <span class="c1"># Not stored in the header, use the filename sans .gz</span>
        <span class="n">gf</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><s