<span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="n">output</span><span class="p">,</span> <span class="n">dims</span><span class="p">)</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos">50</span></a>        <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">attention</span><span class="p">(</span><span class="n">sub</span><span class="p">)</span> <span class="k">for</span> <span 