<span class="n">prev</span> <span class="o">=</span> <span class="n">ex</span><span class="o">.</span><span class="n">tid</span>
        <span class="k">return</span> <span class="n">pxyUL</span>

    <span class="k">def</span> <span class="nf">_findElementWithTID</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">UList</span><span class="p">,</span> <span class="n">tid</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">_Element</span>