values</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>

        <span class="k">def</span><span class="w"> </span><span class="nf">_pcmci</span><span class="p">(</span><span class="n">tau_min</span><span class="p">,</span> <span class="n">tau_max</span><span class="p">,</span> <span class="n">pc_alpha</span><span class="p">,</span> <span class="n">alpha_level</span><span class="p">):</span>
<span class="w">            </span><span class="sd">&quot;&quot;&quot;Wrapper around r