pan><span class="p">(</span><span class="n">index</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">index</span><span class="p">,</span> <span class="n">negated</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">negated</span><span class="p">)</span>
        <span class="n">new_obj</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</sp