 class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">itemSetX</span><span class="p">)),</span> <span class="n">tidSetI</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_convert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span c