def insert(self, pos, child, **kw):
        self.tk.call(self._w, "insert", pos, child, *(_format_optdict(kw)))
Used to render elements to PNG if requested in the display formats.
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Notebook.insert--crossover with--dataset/ETHPy150Open ioam/holoviews/holoviews/ipython/display_hooks.py/element_png_display