s="n">pn</span><span class="o">.</span><span class="n">extension</span><span class="p">(</span><span class="s1">&#39;tabulator&#39;</span><span class="p">,</span> <span class="s1">&#39;ace&#39;</span><span class="p">,</span> <span class="s1">&#39;jsoneditor&#39;</span><span class="p">,</span> <span class="s1">&#39;ipywidgets&#39;</span><span class="p">,</span> <span class="n">sizing_mode</span><span class="o">=</span><span class="s1">&#39;stretch_width&#39;</span><span class="p">,</span> <span class="n">not