an> <span class="p">[</span><span class="s1">&#39;k_val&#39;</span><span class="p">,</span> <span class="s1">&#39;d_val&#39;</span><span class="p">]</span>
                <span class="k">assert</span> <span class="n">np</span><span class="o">.</span><span class="n">array_equal</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">outKeys</span><span class="p">)</span>
                <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> 