Selecting a pixi interpreter fails #25420
Description
Type: Bug
Behaviour
Run any python test, debug process or anything python related using pixi runs into the line (python output):
> /opt/homebrew/bin/pixi shell --manifest-path ./pixi.toml && echo 'e8b39361-0157-4923-80e1-22d70d46dee6' && python ~/.vscode/extensions/ms-python.python-2025.12.0-darwin-arm64/python_files/printEnvVariables.py
Steps to reproduce:
- Install pixi
- select pixi python as interpreter
Get error:
[error] getActivatedEnvironmentVariables [Error: Command failed: /opt/homebrew/bin/pixi shell --manifest-path </path/to>/pixi.toml && echo 'e8b39361-0157-4923-80e1-22d70d46dee6' && python /Users/<me>/.vscode/extensions/ms-python.python-2025.12.0-darwin-arm64/python_files/printEnvVariables.py
at genericNodeError (node:internal/errors:983:15)
at wrappedFn (node:internal/errors:537:14)
at ChildProcess.exithandler (node:child_process:416:12)
at ChildProcess.emit (node:events:530:35)
at maybeClose (node:internal/child_process:1101:16)
at ChildProcess._handle.onexit (node:internal/child_process:304:5)] {
code: null,
killed: true,
signal: 'SIGTERM',
cmd: "/opt/homebrew/bin/pixi shell --manifest-path </path/to>/pixi.toml && echo 'e8b39361-0157-4923-80e1-22d70d46dee6' && python /Users/<me>/.vscode/extensions/ms-python.python-2025.12.0-darwin-arm64/python_files/printEnvVariables.py"
}
Diagnostic data
Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)
XXX
Extension version: 2025.12.0
VS Code version: Code 1.103.2 (6f17636121051a53c88d3e605c491d22af2ba755, 2025-08-20T16:45:34.255Z)
OS version: Darwin arm64 24.4.0
Modes:
- Python version (& distribution if applicable, e.g. Anaconda): 3.13.5.final.0
- Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): System
- Value of the
python.languageServersetting: Default
User Settings
languageServer: "Pylance"
testing
• pytestArgs: "<placeholder>"
• pytestEnabled: true
Installed Extensions
| Extension Name | Extension Id | Version |
|---|---|---|
| autodocstring | njp | 0.6.1 |
| cmake | twx | 0.0.17 |
| cmake-tools | ms- | 1.21.36 |
| cpptools | ms- | 1.26.3 |
| cpptools-extension-pack | ms- | 1.3.1 |
| cpptools-themes | ms- | 2.0.0 |
| debugpy | ms- | 2025.10.0 |
| docker | doc | 0.15.0 |
| even-better-toml | tam | 0.21.2 |
| js-debug | ms- | 1.102.0 |
| js-debug-companion | ms- | 1.1.3 |
| jupyter | ms- | 2025.7.0 |
| jupyter-keymap | ms- | 1.1.2 |
| jupyter-renderers | ms- | 1.3.0 |
| python | ms- | 2025.12.0 |
| remote-containers | ms- | 0.422.1 |
| remote-explorer | ms- | 0.5.0 |
| remote-server | ms- | 1.5.2 |
| remote-ssh | ms- | 0.120.0 |
| remote-ssh-edit | ms- | 0.87.0 |
| remote-wsl | ms- | 0.99.0 |
| ruff | cha | 2025.24.0 |
| vim | vsc | 1.30.1 |
| vscode-containers | ms- | 2.1.0 |
| vscode-docker | ms- | 2.0.0 |
| vscode-js-profile-table | ms- | 1.0.10 |
| vscode-jupyter-cell-tags | ms- | 0.1.9 |
| vscode-jupyter-slideshow | ms- | 0.1.6 |
| vscode-pylance | ms- | 2025.7.1 |
| vscode-python-envs | ms- | 1.2.0 |
| vscode-remote-extensionpack | ms- | 0.26.0 |
System Info
| Item | Value |
|---|---|
| CPUs | Apple M3 Pro (12 x 2400) |
| GPU Status | 2d_canvas: enabled direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: enabled_on trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | 2, 2, 2 |
| Memory (System) | 36.00GB (0.08GB free) |
| Process Argv | . --crash-reporter-id 58d04878-f54e-4761-80c9-3db045c3ade9 |
| Screen Reader | no |
| VM | 0% |
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