/span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">params</span><span class="p">):</span>
        <span class="n">df</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getData</span><span class="p">(</span><span class="n">params</span><span class="p">)</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="s">&#39;Date&#39;</span><span class="p">)</span><span class="o"