throw an error</span>

<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">if</span> <span class="nb">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">lines</span><span class="p">)</span><span class="o">.</span><span class="n">issubset</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">line_dict</span><span class="p">):</span>
            <span class="k">pass</span>
        <span class=