Description
Type: Bug
Behaviour
pytest Discovery Error
Steps to reproduce:
- Uninstall VS Code Insiders.
- Delete VS Code Insiders related files in appdata.
- Install VS Code Insiders.
- Update VS Code Insiders.
- Install Python, Pylance, Copilot, and nothing else.
- Don't change any settings unless offered in a dialoge box.
- Try to use VS Code.
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
Identifier
ms-python.python
Version
2025.6.1
Last Updated
2025-05-21, 19:14:52
Identifier
ms-python.vscode-pylance
Version
2025.5.1
Last Updated
2025-05-21, 19:14:52
Identifier
github.copilot
Version
1.323.0
Last Updated
2025-05-21, 19:27:46
Identifier
github.copilot-chat
Version
0.28.2025052101
Last Updated
2025-05-21, 19:27:46
Version: 1.101.0-insider (user setup)
Commit: 496ebc4723371f29c9ffa0319dcccb2d7bee7ee0
Date: 2025-05-21T05:04:29.987Z
Electron: 35.4.0
ElectronBuildId: 11602177
Chromium: 134.0.6998.205
Node.js: 22.15.0
V8: 13.4.114.21-electron.0
OS: Windows_NT x64 10.0.26100
see next comment for logs
Extension version: 2025.6.1
VS Code version: Code - Insiders 1.101.0-insider (496ebc4723371f29c9ffa0319dcccb2d7bee7ee0, 2025-05-21T05:04:29.987Z)
OS version: Windows_NT x64 10.0.26100
Modes:
- Python version (& distribution if applicable, e.g. Anaconda): 3.13.3
- Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Venv
- Value of the
python.languageServersetting: Default
User Settings
languageServer: "Pylance"
testing
• pytestArgs: "<placeholder>"
• pytestEnabled: true
Installed Extensions
| Extension Name | Extension Id | Version |
|---|---|---|
| copilot | Git | 1.323.0 |
| copilot-chat | Git | 0.28.2025052101 |
| js-debug | ms- | 1.100.1 |
| js-debug-companion | ms- | 1.1.3 |
| python | ms- | 2025.6.1 |
| vscode-js-profile-table | ms- | 1.0.10 |
| vscode-pylance | ms- | 2025.5.1 |
System Info
| Item | Value |
|---|---|
| CPUs | AMD Ryzen 7 5700U with Radeon Graphics (16 x 1797) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: enabled_on 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 video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | undefined |
| Memory (System) | 12.90GB (3.66GB free) |
| Process Argv | --crash-reporter-id 1ffa83f2-6d65-4589-b9e5-f941a87a12e2 |
| Screen Reader | no |
| VM | 0% |
A/B Experiments
vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
pythonvspyt551:31249597
vscod805cf:30301675
c4g48928:30535728
962ge761:30841072
dsvsc014:30777825
dsvsc015:30821418
h48ei257:31000450
pythontbext0:30879054
cppperfnew:30980852
dwnewjupyter:31046869
pythonrstrctxt:31093868
nativeloc1:31118317
e80f6927:31120813
dwcopilot:31158714
5b1c1929:31184661
6074i472:31201624
dwoutputs:31242946
customenabled:31248079
hdaa2157:31222309
copilot_t_ci:31222730
g012b348:31231168
pythoneinst12:31251391
bgtreat:31252123
c7cif404:31309980
pythonpulldiag:31287486
6gi0g917:31259950
61ibe868:31282443
996jf627:31264550
pythonrdcb7:31268811
usemplatestapi:31297334
e6194696:31309975
747dc170:31275146
pythonfullctx:31296836
6518g693:31302842
pylancecolor:31288664
generatesymbolt:31280541
convertfstringf:31280702
gendocf:31280703
pylancequickfixt:31311477
ajf51753:31312179
923gi514:31310909
b99bg931:31306656
a2ijf515:31307742
convertlamdat:31311571