(</span><span class="bp">self</span><span class="o">.</span><span class="n">df</span><span class="o">.</span><span class="n">columns</span><span class="p">[</span><span class="mi">2</span><span class="p">:])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">labelsDF</span> <span class="o">=</span> <span class="kc">None</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">weights_</span> <span class="o">=</span> <span class="kc">None</span>
     