class="p">)))</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">_get_internal_structure</span><span
            class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">right</span><span
            class="p">,</span> <span class="n">N</span><span class="o">=</span><span class="n">N</span><span
            class="p">,</span> <span class="n">E</span><span class="o">=</span><span class="n">E</span><span
            class="p">,</span> <span class