tplotlib</span> <span class="kn">import</span> <span class="n">rcParams</span>

<span class="n">barchart</span> <span class="o">=</span> <span class="n">Barchart</span><span class="p">(</span><span class="n">df</span><span class="o">=</span><span class="n">df</span><span class="p">,</span> <span class="n">x</span><span class="o">=</span><span class="s1">&#39;label&#39;</span><span class="p">,</span> <span class="n">y</span><span class="o">=</span><span class="s1">&#39;petal_width&#39;</span><span class="p">