>=</span><span class="kc">None</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
<span class="w">    </span><span class="sd">"""GZip file and return path to gzip archive</span>

<span class="sd">    Args:</span>
<span class="sd">        src_path: Path to local file to gzip</span>
<span class="sd">        dst_path: Optional path to destination gzip file. If omitted then use src_path + .gz</span>

<span class="sd">    Return:</span>
<span class="sd