pan><span class="p">:</span>
                <span class="n">w_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_next_vert_name</span><span class="p">()</span>
                <span class="bp">self</span><span class="o">.</span><span class="n">subdivide_edge</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="p">,</span><span class="n">w_name</span><span class="p">,</span> <span class="n">i</span><span class="p