n><span class="o">.</span><span class="n">remove_different_date</span><span class="p">()</span>

        <span class="k">assert</span> <span class="n">pt</span><span class="o">.</span><span class="n">get_portfolio_dataFrame</span><span class="p">()</span><span class="o">.</span><span class="n">Date</span><span class="o">.</span><span class="n">min</span><span class="p">()</span> <span class="o">==</span> <span class="s1">&#39;2020-07-01&#39;</span>
        <span class="k">assert</span> <span class="n">pt</s