lass="nn">igraph.clustering</span> <span class="kn">import</span> <span class="n">VertexClustering</span><span class="p">,</span> <span class="n">VertexCover</span>

        <span class="c1"># Positional arguments are not used</span>
        <span class="k">if</span> <span class="n">args</span><span class="p">:</span>
            <span class="n">warn</span><span class="p">(</span>
                <span class="s2">&quot;Positional arguments to plot functions are ignored &quot;</span>
                <span cl