alues_to_label</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># A list of values to label i.e. some genes of interest</span>
                            <span class="n">max_labels</span><span class="o">=</span><span class="mi">20</span><span class="p">,</span>
                            <span class="n">values_colours</span><span class="o">=</span><span class="p">{},</span> <span class="c1"># Colours for that list as a dictionary</span>
                  