nam">loss_fn</span><span class="op">(</span><span class="nam">pred</span><span class="op">,</span> <span class="nam">gt</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t94" href="#t94">94</a></span><span class="t">        <span class="key">return</span> <span class="nam">loss</span>&nbsp;</span><span class="r"></span></p>
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