Line magic interferes with linting in VSCode
16:50 21 Apr 2026

Consider the following line magic snippet in a Jupyter Notebook in VSCode, using the Microsoft Jupyter extension:

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You see that my_result is reported as undefined by PyLance:

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The code runs perfectly well, so it's annoying that PyLance flags it. Is there a way to fix this?

The version information for VSCode is

Version: 1.116.0 (Universal)

Commit: 560a9dba96f961efea7b1612916f89e5d5d4d679

Date: 2026-04-15T00:28:13Z (7 days ago)

Electron: 39.8.7

ElectronBuildId: 13797146

Chromium: 142.0.7444.265

Node.js: 22.22.1

V8: 14.2.231.22-electron.0

OS: Darwin arm64 25.4.0

The version information for the Jupyter extension is:

Installation Identifier ms-toolsai.jupyter

Version 2025.9.1

Last Updated 6 months ago

Size 16.78MB

visual-studio-code