     <span class="s1">&#39;max_features&#39;</span><span class="p">:</span> <span class="n">np</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="mf">0.1</span><span class="p">,</span> <span class="mf">1.</span><span class="p">,</span> <span class="mi">5</span><span class="p">)},</span>
    <span class="n">scoring</span><span class="o">=</span><span class="p">{</span><span class="s1">&#39;AUC&#39;</span><span class="p">:</span> <span class="s1">&#39;roc_auc&#39