n">samp</span><span class="p">):</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a>        <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">samp</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a>            <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</spa