Python plugin by Microsoft does not accept Python 3.13.5

[duytrung]

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Type: Bug

Behaviour

Python plugin by Microsoft show a message to select python executable. I have config this in the settings but it kept displaying a message to select python.exe.

Steps to reproduce:

Save a python code and trying to press the run button. but the editor keep display a message to select python executable

Diagnostic data

Details

I click to select show output:

Extension version: 2025.13.2025080801
VS Code version: Code - Insiders 1.104.0-insider (95db854cd8dd72aeea01ae3ca2b10a3323435c00, 2025-08-13T05:05:10.751Z)
OS version: Windows_NT x64 10.0.26100
Modes:

• Python version (& distribution if applicable, e.g. Anaconda): WinPython 3.15.5
• Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Not running with virtual environment.
• Value of the python.languageServer setting: Default

User Settings

languageServer: "Pylance"

Installed Extensions

Extension Name	Extension Id	Version
ai-docstring	gra	0.1.3
amethyst	rmd	1.2.0
another-word-completion	get	0.0.4
arepl	alm	3.0.0
autodocstring	njp	0.6.1
autopep8	ms-	2025.3.12251013
azure-dev	ms-	0.9.0
azure-repos	ms-	0.41.2025072801
better-comments	aar	3.0.2
biome	bio	2025.7.41733
black-formatter	ms-	2025.2.0
bracket-select	chu	2.0.2
brackethighlighter	Dur	3.0.4
chatgpt-docstrings	oli	0.11.0
code-runner	for	0.12.2
code-spell-checker	str	4.2.3
codeium	Cod	1.49.2
codespaces	Git	1.17.3
codium	Cod	1.6.21
commit-message-editor	ada	0.25.0
copilot	Git	1.355.1731
copilot-chat	Git	0.31.2025081301
data-workspace-vscode	ms-	0.6.3
datawrangler	ms-	1.22.0
debugpy	ms-	2025.11.2025072901
docker-explorer	for	0.1.7
document	min	2.2.2
flake8	ms-	2025.3.12251016
git-graph	mhu	1.30.0
githistory	don	0.6.20
github-vscode-theme	Git	6.3.5
gitlens	eam	2025.8.1305
High-Contrast-Dark-Theme	JDS	0.0.1
indent-rainbow	ode	8.3.1
intellicode-api-usage-examples	Vis	0.2.9
java	red	1.45.2025080808
jinja	who	0.0.8
js-debug	ms-	1.102.0
js-debug-companion	ms-	1.1.3
jupyter	ms-	2025.8.2025081201
jupyter-hub	ms-	2024.10.1002831100
jupyter-keymap	ms-	1.1.2
jupyter-renderers	ms-	1.3.2025062701
jupyter-toc	xel	0.2.2
keployio	kep	2.1.7
leaderkey	Jim	1.5.8
learn-vim	vin	0.0.28
live-server	ms-	0.5.2025063001
livecode	xir	1.3.10
LiveServer	rit	5.7.9
magit	kah	0.6.67
material-icon-theme	PKi	5.25.0
microsoft-testing	ms-	0.1.17
mongodb-vscode	mon	1.13.3
monokai-charcoal-high-contrast	74t	3.5.0
mssql	ms-	1.34.0
nbpreviewer	jit	1.2.2
npm-intellisense	chr	1.4.5
nvim-ui-modifier	Jul	0.1.5
prettier-vscode	esb	11.0.0
preview-html	ana	1.0.0
project-manager	ale	12.8.0
pyinit	Dio	0.0.3
pytest-runner	pam	0.0.11
python	ms-	2025.13.2025080801
python-docstring-highlighter	rod	0.2.4
python-environment-manager	don	1.2.7
python-extension-pack	don	1.7.0
python-extension-pack	Leo	3.0.0
python-path	mge	0.0.14
python-silver-pack	4bd	1.0.1
python-template-snippets	Ric	1.3.0
python-ultisnippets	eli	2.7.0
pythonsnippets3	Eri	3.3.20
pythonsnippets3pro	Eri	3.3.4
remote-commons	Jim	0.5.1
remote-containers	ms-	0.424.0
remote-explorer	ms-	0.6.2025081309
remote-kubernetes	Okt	0.5.2
remote-repositories	ms-	0.43.2025072801
remote-server	ms-	1.6.2025072309
remote-ssh	ms-	0.121.2025073115
remote-ssh-edit	ms-	0.87.0
remote-wsl	ms-	0.104.0
remotehub	Git	0.65.2025072801
restructuredtext	lex	190.4.11
ruff	cha	2025.24.0
sourcery	sou	1.37.0
sql-bindings-vscode	ms-	0.4.1
sql-database-projects-vscode	ms-	1.5.3
sql-snippets	sad	0.0.4
test-adapter-converter	ms-	0.2.1
theme-cobalt2	wes	2.5.0
todo-tree	Gru	0.0.226
togglebracketguides	TGO	0.1.6
txt-syntax	xsh	0.2.4
void-script	ada	0.0.6
vsc-python-indent	Kev	1.21.0
vscode-ai-foundry	Tea	0.8.0
vscode-ai-remote	ms-	1.5.2025071602
vscode-azure-github-copilot	ms-	1.0.76
vscode-azure-mcp-server	ms-	0.5.5
vscode-azureappservice	ms-	0.26.3
vscode-azurecontainerapps	ms-	0.9.0
vscode-azurefunctions	ms-	1.18.1
vscode-azureresourcegroups	ms-	0.11.1
vscode-azurestaticwebapps	ms-	0.13.1
vscode-azurestorage	ms-	0.16.5
vscode-azurevirtualmachines	ms-	0.6.9
vscode-containers	ms-	2.1.0
vscode-cosmosdb	ms-	0.27.1
vscode-dash	dee	2.4.0
vscode-django	bat	1.15.0
vscode-docker	ms-	2.0.0
vscode-edge-devtools	ms-	2.1.9
vscode-eslint	dba	3.0.16
vscode-firefox-debug	fir	2.15.0
vscode-git-tags	how	1.4.4
vscode-gitandgithub-pack	vin	2.0.1
vscode-java-debug	vsc	0.58.2025063005
vscode-java-test	vsc	0.43.2025040304
vscode-js-profile-table	ms-	1.0.10
vscode-jupyter-cell-tags	ms-	0.1.9
vscode-jupyter-powertoys	ms-	0.1.1
vscode-jupyter-slideshow	ms-	0.1.6
vscode-kubernetes-tools	ms-	1.3.25
vscode-markdownlint	Dav	0.60.0
vscode-node-azure-pack	ms-	1.7.0
vscode-open-in-github	ziy	1.3.6
vscode-pull-request-github	Git	0.117.2025081304
vscode-pylance	ms-	2025.7.101
vscode-python-envs	ms-	1.3.12251016
vscode-python-test-adapter	lit	0.8.2
vscode-python-typehint	njq	1.5.1
vscode-remote-extensionpack	ms-	0.26.0
vscode-test-explorer	hbe	2.22.1
vscode-todo-highlight	way	1.0.5
vscode-yaml	red	1.18.0
vscodeintellicode	Vis	1.3.2
vsliveshare	ms-	1.0.5948
windows-ai-studio	ms-	0.18.3

System Info

Item	Value
CPUs	13th Gen Intel(R) Core(TM) i7-13850HX (28 x 2304)
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: disabled_off trees_in_viz: disabled_off video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	15.69GB (3.88GB free)
Process Argv	--crash-reporter-id 4114d217-33be-46b7-928b-90d0a6a8b8db
Screen Reader	no
VM	0%

A/B Experiments

vsliv368:30146709
pythonvspyt551:31249597
vscrp:30624060
nativeloc1:31118317
dwcopilot:31158714
6074i472:31201624
dwoutputs:31242946
copilot_t_ci:31333650
g012b348:31231168
pythoneinst12:31251391
c7cif404:31309980
6gi0g917:31259950
996jf627:31264550
pythonrdcb7:31268811
usemplatestapi:31297334
e6194696:31317039
747dc170:31275146
pythonpcpt1cf:31345881
6518g693:31302842
9d2cg352:31346308
j97ad248:31349650
usemarketplace:31343026
0g1h6703:31329154
nes-emitfast-1:31333560
replacestringexc:31350595
6abeh943:31336334
envsactivate1:31349248
0927b901:31340060
nb18600_tf:31359574
editstats-enabled:31346256
gendocstringt:31358906
pylancealldocst:31362265
cloudbuttont:31366566
retryenabled:31365452
todos-0:31366869

[eleanorjboyd]

huh this is very interesting, I haven't see something like this before

@karthiknadig is it worth checking how PET resolves or not since the path displayed in the UI is right?

[github-actions]

Because we have not heard back with the information we requested, we are closing this issue for now. If you are able to provide the info later on, then we will be happy to re-open this issue to pick up where we left off.

Happy Coding!