et_length)``</span>

<span class="sd">    Returns: loss</span>
<span class="sd">        * loss (float): loss for training</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span>
            <span class="bp">self</span><span class="p">,</span>
            <span class="n">configs</span><span class="p">:</span> <span class="n">DictConfig</span><span class="p">,</span>
            <span class="n">num_classes</span><span class=