     <span class="bp">self</span><span class="o">.</span><span class="n">index</span><span class="o">.</span><span class="n">names</span> <span class="o">=</span> <span class="p">[</span><span class="n">dig_name</span><span class="p">]</span>

        <span class="k">if</span> <span class="n">plot</span><span class="p">:</span>
            <span class="n">plot_expected</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">digs</span><span class="p">,</span> <span