at WidgetManager.loadClass (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2457634)
at WidgetManager.loadClass (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2841448)
at WidgetManager.loadModelClass (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2454419)
at WidgetManager._make_model (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2452380)
at WidgetManager.new_model (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2450099)
at WidgetManager.handle_comm_open (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2448870)
at https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-renderers-1.3.0/out/node_modules/%40vscode/jupyter-ipywidgets8/dist/ipywidgets.js:2:2840461
at t._handleCommOpen (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-2025.7.0-linux-x64/dist/webviews/webview-side/ipywidgetsKernel/ipywidgetsKernel.js:3:119000)
at async t._handleMessage (https://file+.vscode-resource.vscode-cdn.net/home/firestar/.vscode/extensions/ms-toolsai.jupyter-2025.7.0-linux-x64/dist/webviews/webview-side/ipywidgetsKernel/ipywidgetsKernel.js:3:120875)
Javascript error sometimes
restart kernel won't fix