> <span class="k">if</span> <span class="n">concat_hidden</span> <span class="k">else</span> <span class="n">hidden_dims</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">dims</span> <span class="o">=</span> <span class="p">[</span><span class="n">input_dim</span><span class="p">]</span> <span class="o">+</span> <span class="nb">list</span><span class="p">(</span><span class="n">