t;&quot;&quot;Module implementing the routine to produce and save document digests.</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">import</span> <span class="nn">asyncio</span>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">import</s