pan class="n">hidden_dims</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">layer_norm</span> <span class="o">=</span> <span class="kc">None</span>
        <span class="k">if</span> <span class="n">dropout</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">dropout</span> <span cla