span> <span class="bp">self</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">chunk</span><span class="p">))</span>   <span class="c1"># Only needed for seq2seq approach in v3</span>
        <span class="n">mid</span> <span class="o">=</span> <span class="n">chunk</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span 