Command 'Deepnote: Import Jupyter Notebook' resulted in an error

[Filimoa]

Really excited you guys open sourced this! Trying it out but all my commands seem to error out? Not sure if it's because jupyter is somehow conflicting with this? Also could be tied to Cursor idiosyncrasies.

Update: It seems to have auto resolved? Still not able to run any cells though - it seems stuck on "Loading Deepnote Kernel". I pointed the environment to my uv env.

Environment data

• Cursor Version: 2.0.54
• VSCode Version: 1.99.3
• Jupyter Extension version (available under the Extensions sidebar): 2025.3.0
• Python Extension version (available under the Extensions sidebar): 1.0.10 (AnySphere Python since this is required with VsCode)
• OS (Windows | Mac | Linux distro) and version: Mac Sequoia
• Python and/or Anaconda version: 3.12
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): uv
• Jupyter server running: Local

Expected behaviour

Commands work

Actual behaviour

None of the commands seem to be working. They all error out with the following:

Steps to reproduce:

Logs

Output for Jupyter in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Jupyter)

Cursor (1.99.3, undefined, desktop)
Jupyter Extension Version: 1.0.0.
Python Extension Version: 2025.6.1.
Python Environment Extension not installed.
Pylance Extension not installed.
Platform: darwin (arm64).
Home = /Users/sergey
Temp Storage folder ~/Library/Application Support/Cursor/User/globalStorage/deepnote.vscode-deepnote/version–1.0.0
Workspace folder ~/Developer/experiments/openai-agents-python
12:03:33.823 [warn] Exception while attempting zmq : Cannot find module 'cmake-ts/build/loader'
Require stack:
– ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/node_modules/zeromq/lib/load–addon.js
– ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/node_modules/zeromq/lib/native.js
– ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/node_modules/zeromq/lib/index.js
– ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/extension.node.js
– ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/extension.node.proxy.js
– /Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/api/node/extensionHostProcess.js
12:03:33.823 [warn] Exception while attempting zmq (fallback) : No native build was found for platform=darwin arch=arm64 runtime=electron abi=136 uv=1 armv=8 libc=glibc node=22.20.0 electron=37.7.0
loaded from: ~/.cursor/extensions/deepnote.vscode-deepnote–1.0.0–universal/dist/node_modules/zeromqold
12:03:33.831 [info] SqlIntegrationEnvironmentVariablesProvider: Constructor called – provider is being instantiated
12:03:33.843 [info] IntegrationKernelRestartHandler: Initialized
12:03:33.856 [error] extension activation failed [Error: command 'jupyter.refreshDataViewer' already exists

[coderabbitai]

A summary of the changes CodeRabbit can apply:

• Add runtime conflict detection to src/extension.common.ts (log warning, show interactive disable/ignore dialog when ms-toolsai.jupyter is present) and update README.md with a prominent incompatibility warning and user instructions so users are alerted and guided to disable/uninstall the Microsoft Jupyter extension to prevent the jupyter.refreshDataViewer command conflict.

• Add an "Extension Compatibility" warning to README.md instructing users not to install Deepnote and Microsoft Jupyter together, and modify src/extension.common.ts to detect the installed ms-toolsai.jupyter extension at startup, log a warning, show a VS Code warning dialog offering to disable either the Microsoft Jupyter or Deepnote extension (or ignore), and execute the chosen disable command to prevent command registration conflicts.

• ✅ Create PR with these edits
• 📋 Get copyable edits

[mikayelh]

thank you for reporting this and sorry you've hti a snag! We will look and get back to you, @Filimoa.

[saltenasl]

Hi @Filimoa, the bug fix for the original error affecting Cursor - command not found - was released in 1.1.0 you probably got updated to it and that's why you saw the problem autofix.

Regarding the other issue you have - kernel being loading - can you provide more information? Particularly, are there any error notifications, are there any kernels in the kernels list besides the "Loading Deepnote Kernel..." (esp. kernel that is named the same as your project)?