"o">.</span><span class="n">best_val_score</span><span class="p">:</span>
                <span class="bp">self</span><span class="o">.</span><span class="n">best_model</span> <span class="o">=</span> <span class="n">deepcopy</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">model</span><span class="p">)</span>
                <span class="bp">self</span><span class="o">.</span><span class="n">best_val_score</span> <span class="o">=</span> <span class="n">val_