<span class="s1">&#39;#FF0000&#39;</span><span class="p">]]</span>  <span class="c1"># custom colorscale</span>
  <span class="n">fig</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">update</span><span class="p">(</span> 
      <span class="nb">dict</span><span class="p">(</span><span class="n">colorscale</span><span class="o">=</span><span class="n">colorscale</span><span class="p">,</span> <span class="n">showscale</span> <span class="o">=</span> <span class