NotImplementedError after upgrading ipywidgets to 8.0.5

[vxfield]

After upgrading ipywidgets to 8.0.5 (2023-03-21) the following code throws a NotImplementedError.

script = 'load inline "24\nCaffeine\nH      -3.3804130    -1.1272367     0.5733036\nN       0.9668296    -1.0737425    -0.8198227\nC       0.0567293     0.8527195     0.3923156\nN      -1.3751742    -1.0212243    -0.0570552\nC      -1.2615018     0.2590713     0.5234135\nC      -0.3068337    -1.6836331    -0.7169344\nC       1.1394235     0.1874122    -0.2700900\nN       0.5602627     2.0839095     0.8251589\nO      -0.4926797    -2.8180554    -1.2094732\nC      -2.6328073    -1.7303959    -0.0060953\nO      -2.2301338     0.7988624     1.0899730\nH       2.5496990     2.9734977     0.6229590\nC       2.0527432    -1.7360887    -1.4931279\nH      -2.4807715    -2.7269528     0.4882631\nH      -3.0089039    -1.9025254    -1.0498023\nH       2.9176101    -1.8481516    -0.7857866\nH       2.3787863    -1.1211917    -2.3743655\nH       1.7189877    -2.7489920    -1.8439205\nC      -0.1518450     3.0970046     1.5348347\nC       1.8934096     2.1181245     0.4193193\nN       2.2861252     0.9968439    -0.2440298\nH      -0.1687028     4.0436553     0.9301094\nH       0.3535322     3.2979060     2.5177747\nH      -1.2074498     2.7537592     1.7203047" ;set frank off;set zoomlarge false;set waitformoveto off'

JsmolView(script)

\lib\site-packages\jupyter_jsmol\viewer.py:50: in __init__
    super().__init__(**kwargs)
\lib\site-packages\ipywidgets\widgets\widget.py:504: in __init__
    self.open()
\lib\site-packages\ipywidgets\widgets\widget.py:517: in open
    state, buffer_paths, buffers = _remove_buffers(self.get_state())
\lib\site-packages\ipywidgets\widgets\widget.py:615: in get_state
    value = to_json(getattr(self, k), self)
\lib\site-packages\traitlets\traitlets.py:703: in __get__
    return self.get(obj, cls)
\lib\site-packages\traitlets\traitlets.py:659: in get
    default = obj.trait_defaults(self.name)
\lib\site-packages\traitlets\traitlets.py:1872: in trait_defaults
    return self._get_trait_default_generator(names[0])(self)
\lib\site-packages\traitlets\traitlets.py:1233: in __call__
    return self.func(*args, **kwargs)
\lib\site-packages\jupyter_jsmol\viewer.py:59: in _default_layout
    return Layout(height="400px", align_self="stretch")
\lib\site-packages\ipywidgets\widgets\widget_layout.py:86: in __init__
    super().__init__(**kwargs)
\lib\site-packages\ipywidgets\widgets\widget.py:504: in __init__
    self.open()
\lib\site-packages\ipywidgets\widgets\widget.py:535: in open
    self.comm = create_comm(**args)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

args = ()
kwargs = {'buffers': [], 'data': {'buffer_paths': [], 'state': {'_model_module': '@jupyter-widgets/base', '_model_module_versio...el_name': 'LayoutModel', '_view_count': None, ...}}, 'metadata': {'version': '2.1.0'}, 'target_name': 'jupyter.widget'}

    def _create_comm(*args, **kwargs):
        """Create a Comm.

        This method is intended to be replaced, so that it returns your Comm instance.
        """
>       raise NotImplementedError("Cannot ")