`columns_config` not supported in Jupyter PerspectiveWidget, PerspectiveViewer

[jonioni]

Bug Report

Steps to Reproduce:

1. Open latest Jupyter Notebook (7.5.1) with Python Kernel (3.13)
2. Install latest perspective-python (4.0.1)
3. Import PerspectiveWidget from perspective.widget
4. Create PerspectiveWidget with columns_config={...} constructor arg
5. Got error: TypeError: PerspectiveViewer.__init__() got an unexpected keyword argument 'columns_config'

from perspective.widget import PerspectiveWidget

widget = PerspectiveWidget(
  ...
  columns_config={
    ...
  }
)

Expected Result:

Be able to use columns_config to customize Perspective widget in Jupyter Notebook environment.

Actual Result:

Got the error:

File ~/notebook/.venv/lib/python3.12/site-packages/perspective/widget/__init__.py:198, in PerspectiveWidget.__init__(self, data, index, limit, binding_mode, **kwargs)
    182     raise TypeError("Index and Limit cannot be set at the same time!")
    184 # Parse the dataset we pass in - if it's Pandas, preserve pivots
    185 # if isinstance(data, pandas.DataFrame) or isinstance(data, pandas.Series):
    186 #     data, config = deconstruct_pandas(data)
   (...)    196 
    197 # Initialize the viewer
--> 198 super(PerspectiveWidget, self).__init__(**kwargs)
    200 # Handle messages from the the front end
    201 self.on_msg(self.handle_message)

File ~/notebook/.venv/lib/python3.12/site-packages/ipywidgets/widgets/widget.py:503, in Widget.__init__(self, **kwargs)
    501 """Public constructor"""
    502 self._model_id = kwargs.pop('model_id', None)
--> 503 super().__init__(**kwargs)
    505 Widget._call_widget_constructed(self)
    506 self.open()

TypeError: PerspectiveViewer.__init__() got an unexpected keyword argument 'columns_config'

No JavaScript or WebSocket involved. Native Perspective support for Jupyter Notebook (PerspectiveWidget) from latest version 4.0.1.

Environment:

For Python

• python interpreter version: 3.13
• package manager and version (conda/pip/*): pip
• Platform and version (Jupyter/tornado/lib/*): Jupyter
• OS: Linux
• Browser: Chrome