>16</span></a><span class="k">class</span> <span class="nc">Encoder</span><span class="p">(</span><span class="n">torch</span><span class="o">.</span><span class="n">nn</span><span class="o">.</span><span class="n">Module</span><span class="p">):</span>
</span><span id="L-17"><a href="#L-17"><span class="linenos">17</span></a>    <span class="n">BiLSTM</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">nn</span><span class="o">.</span><span class="n">LSTM</spa