<span class="p">)</span> <span class="o">!=</span> <span class="nb">int</span><span class="p">:</span>
            <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;Smoothing amount must be an integer.&quot;</span><span class="p">)</span>
        
        <span class="n">M_n</span><span class="p">,</span> <span class="n">V_map</span><span class="p">,</span> <span class="n">E_map</span> <span class="o">=</span> <span class="nb">super</span><span cla