ss="p">)</span>
            <span class="p">)</span>

        <span class="c1"># Restore the calculation order. If using the threading backend, the</span>
        <span class="c1"># input order may have been lost.</span>
        <span class="n">vec_lists</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="p">[</span