="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>

<span class="kn">from</span> <span class="nn">luxpy</span> <span class="kn">import</span> <span class="n">cam</span><span class="p">,</span> <span class="n">_CSPACE</span><span class="p">,</span> <span class="n">colortf</span><span class="p">,</span> <span class="n">xyz_to_lab</span>


<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;deltaH&#39;</span><span class="p">,</span> <span c