span><span class="n">rate</span><span class="p">,</span> <span class="n">MediaType</span><span class="o">.</span><span class="n">MT_IMAGE</span><span class="p">))</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">stack</span><span class="o">.</span><span class="n">insert_child</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="n">index</span><span class="p">)</span>
        <span class="k">return</span> <span class="n">result</sp