Extension host crashes when python extension is loads

Environment data

• VS Code version: 1.54.1
• Extension version (available under the Extensions sidebar): v2021.2.625869727
• OS and version: Mac OS 10.15.7
• Python version (& distribution if applicable, e.g. Anaconda): 3.7 (brew)
• Type of virtual environment used (N/A | venv | virtualenv | conda | …): venv
• Relevant/affected Python packages and their versions:
• Relevant/affected Python-related VS Code extensions and their versions:
• Value of the python.languageServer setting: Pylance

[NOTE: If you suspect that your issue is related to the Microsoft Python Language Server (python.languageServer: 'Microsoft'), please download our new language server Pylance from the VS Code marketplace to see if that fixes your issue]

Expected behaviour

To load

Actual behaviour

Crashes extension host on startup

Logs

Console Developer Tools

events.js:292      throw er; // Unhandled 'error' event      ^[Error: read ENOTCONN	at tryReadStart (net.js:573:20)	at Socket._read (net.js:584:5)	at Socket.Readable.read (_stream_readable.js:467:10)	at Socket.read (net.js:624:39)	at new Socket (net.js:376:12)	at Object.Socket (net.js:267:41)	at createSocket (internal/child_process.js:314:14)	at ChildProcess.spawn (internal/child_process.js:437:23)	at Object.spawn (child_process.js:557:9)	at Object.t.plainExec (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:9:702198)	at o.exec (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:29:17354)	at r.isCondaInCurrentPath (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:78:58060)	at runMicrotasks (<anonymous>)	at processTicksAndRejections (internal/process/task_queues.js:97:5)	at async r.getCondaFileImpl (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:78:61125)	at async r.getCondaFile (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:78:57960)	at async r.getCondaInfo (/Users/[e-mail]/.vscode/extensions/ms-python.python-2021.2.625869727/out/client/extension.js:78:58162)Emitted 'error' event on Socket instance at:	at emitErrorNT (internal/streams/destroy.js:92:8)	at emitErrorAndCloseNT (internal/streams/destroy.js:60:3)	at processTicksAndRejections (internal/process/task_queues.js:84:21)] {  errno: 'ENOTCONN',  code: 'ENOTCONN',  syscall: 'read',  vslsStack: [    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}, CallSite {},    CallSite {}  ]}

[karrtikr]

Just released the fix in the stable version of the extension as well!

[luabud]

That being said… It’s not easy switching to that insider build when the extension host crashes. And by not easy I mean impossible…

Good point 😅 sorry for missing that.