p">self</span><span class="o">.</span><span class="n">schema</span><span class="p">:</span>
            <span class="n">actual_cols_to_drop</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">col</span><span class="p">)</span>
        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">sorted</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
            <s