s&#39;</span><span class="p">):</span>
      <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias</span>
    <span class="k">else</span><span class="p">:</span>
      <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>

  <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">name</span><span class="o">=</