1">&#39;./trained_models/&#39;</span><span class="o">+</span> <span class="n">data</span> <span class="o">+</span> <span class="s2">&quot;_&quot;</span> <span class="o">+</span> <span class="n">model</span> <span class="o">+</span> <span class="s2">&quot;_epoch_&quot;</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">epoch</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&quot;.pt&quot;</span><span class="p">)</span>
        <span clas