/span> <span class="kc">None</span><span class="p">),</span> <span class="n">graph</span><span class="p">)</span>

        <span class="c1"># Decide whether we need to calculate the curvature of edges</span>
        <span class="c1"># automatically -- and calculate them if needed.</span>
        <span class="n">autocurve</span> <span class="o">=</span> <span class="n">kwds</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;autocurve&quot;</span><span class