n class="nb">print</span><span class="p">(</span><span class="s1">&#39;Test 3&#39;</span><span class="p">)</span>
    <span class="n">xyz</span><span class="p">,</span> <span class="n">xyzw</span> <span class="o">=</span> <span class="n">spd_to_xyz</span><span class="p">(</span><span class="n">STIM</span><span class="p">,</span> <span class="n">cieobs</span> <span class="o">=</span> <span class="n">cieobs</span><span class="p">,</span> <span class="n">relative</span> <span class="o">=</span> <span class="kc