class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="o">/</span> <span class="mf">1000.</span><span class="p">,</span>
                                    <span class="nb">float</span><span class="p">(</span><span class="n">lower</span><span class="p">)</span> <span class="o">/</span> <span class="mf">1000.</span><span class="p">,</span>
                                    <span class="nb">float</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> 