span class="n">data</span><span class="p">[</span><span class="n">i</span><span class="p">]:</span>
                    <span class="n">tr</span> <span class="o">=</span> <span class="p">[</span><span class="nb">str</span><span class="p">(</span><span class="n">ts</span><span class="p">[</span><span class="n">i</span><span class="p">])]</span> <span class="o">+</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="