nd">@DocInherit</span>
    <span class="k">def</span> <span class="nf">verify</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="nb">super</span><span class="p">(</span><span class="n">CombinationConf</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">verify</span><span class="p">()</span>

        <span class="c1"># to check if the ranks of all the inputs are equal</span>
        <s