onal independence test</span>
        <span class="k">if</span> <span class="n">cond_ind_test</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
            <span class="n">cond_ind_test</span> <span class="o">=</span> <span class="n">ParCorr</span><span class="p">()</span>
        <span class="n">cond_ind_test</span><span class="o">.</span><span class="n">set_mask_type</span><span class="p">(</span><span class="s1">&#39;y&#39;</span><span class="p">)</span>

        <spa