n><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">seed</span> <span class="o">=</span> <span class="n">seed</span><span class="p">,</span> <span class="n">verbose</span> <span class="o">=</span> <span class="n">verbose</span><span class="p">)</span>

            <span class="c1"># Always add the infinite node</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">add_node</span><span class="p">(</span><span class="s1">&#39;v_inf