Long startup time when running a test from the suite #25827
Description
Type: Bug
After last updates, the python test suite becomes very slow. To start running a test it takes about 1/2 minutes. The same happens in debug mode.
If i run the test from terminal, I do not experience this issue.
Extension version: 2026.2.0
VS Code version: Code 1.109.5 (072586267e68ece9a47aa43f8c108e0dcbf44622, 2026-02-19T19:43:32.382Z)
OS version: Windows_NT x64 10.0.26200
Modes:
Remote OS version: Linux x64 6.6.87.2-microsoft-standard-WSL2
- Python version (& distribution if applicable, e.g. Anaconda): 3.12.3.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 |
| chatgpt | ope | 0.4.79 |
| copilot-chat | Git | 0.37.9 |
| debugpy | ms- | 2025.18.0 |
| gitlens | eam | 17.10.2 |
| js-debug | ms- | 1.105.0 |
| jupyter | ms- | 2025.9.1 |
| jupyter-renderers | ms- | 1.3.0 |
| mypy-type-checker | ms- | 2025.3.13521012 |
| python | ms- | 2026.0.0 |
| ruff | cha | 2026.36.0 |
| 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- | 2026.1.100 |
| vscode-python-envs | ms- | 1.16.0 |
System Info
| Item | Value |
|---|---|
| CPUs | 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz (8 x 2803) |
| GPU Status | 2d_canvas: enabled GPU0: VENDOR= 0x8086, DEVICE=0x9a49 [Intel(R) Iris(R) Xe Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=30.0.101.1960 ACTIVE GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.7309 Machine model name: Machine model version: 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 webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | undefined |
| Memory (System) | 15.79GB (4.47GB free) |
| Process Argv | --crash-reporter-id 195d8d56-d821-42a5-9371-14c941f06a95 |
| Screen Reader | no |
| VM | 0% |
| Item | Value |
|---|---|
| Remote | WSL: Ubuntu |
| OS | Linux x64 6.6.87.2-microsoft-standard-WSL2 |
| CPUs | 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz (8 x 0) |
| Memory (System) | 15.06GB (13.14GB free) |
| VM | 0% |
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