pan><span class="s1"> not found in existing index, re-generating index'</span><span class="p">)</span>
                    <span class="n">file_list</span> <span class="o">=</span> <span class="p">[]</span>
                    <span class="k">break</span>
                <span class="n">file_list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>


    <span class="k">if</span> <span class="nb">len</span><span class="p">