">self</span><span class="o">.</span><span class="n">long_name</span> <span class="o">=</span> <span class="n">long_name</span>

    <span class="k">if</span> <span class="n">associative</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
      <span class="bp">self</span><span class="o">.</span><span class="n">associative</span> <span class="o">=</span> <span class="n">Associative</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span clas