uivs):</span>
    <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">associative</span> <span class="ow">is</span> <span class="n">other</span><span class="o">.</span><span class="n">associative</span><span class="p">:</span> 

      <span class="k">return</span> <span class="bp">True</span>     
    <span class="k">else</span><span class="p">:</span>
      <span class="c"># Warnings helpful for debugging and spotting potential problems:</span>

      <span class="