        <span class="n">layer_input</span> <span class="o">=</span> <span class="nb">input</span>

        <span class="k">for</span> <span class="n">layer</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">layers</span><span class="p">:</span>
            <span class="n">hidden</span> <span class="o">=</span> <span class="n">layer</span><span class="p">(</span><span class="n">graph</span><span class="p">,</span> <span class="n">layer_input</span><span clas