_gzip_info</span><span class="p">(</span><span class="n">gzipfile</span><span class="p">:</span> <span class="n">gzip</span><span class="o">.</span><span class="n">GzipFile</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">tuple</span><span class="p">:</span>
<span class="w">    </span><span class="sd">"""Read the metadata from a gz file</span>

<span class="sd">    Returns:</span>
<span class="sd">    tuple(filename, size)</span>
<span class="sd">    """</span>
    <span class="n