class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t25" href="#t25">25</a></span><span class="t">            <span class="nam">batch_weight</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">task_num</span><span class="op">*</span><span class="nam">F</span><span class="op">.</span><span class="nam">softmax</span><span class="op">(</span><span class="nam">w_i</span><span class="op">/</span><span class="na