">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
        <span class="k">return</span>

    <span class="n">color_list</span> <span class="o">=</span> <span class="n">colormap</span><span class="p">(</span><span class="n">rgb</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="o">/</span> <span class="mi">255</span>
    <span c