>)</span>

        <span class="n">ptr</span><span class="o">.</span><span class="n">to_csv</span><span class="p">(</span><span class="n">__ptr_file</span><span class="p">,</span> <span class="n">index</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
    <span class="k">else</span><span class="p">:</span>
        <span class="n">df</span> <span class="o">=</span> <span class="n">pd</span><span class="o">.</span><span class="n">read_csv</span><span class="p">(</span><span c