While the Python extension includes Pylance, ensuring it's utilized properly:
Pylance defaults to your system Python or a globally visible interpreter. Poetry’s virtual environment is hidden away. Unless you explicitly tell VS Code and the Pylance extension, " Hey, the interpreter for this folder is buried inside Poetry’s cache directory, " Pylance will scan the wrong site-packages. It sees none of your installed dependencies, and thus reports missing imports . pylance missing imports poetry link
Last tested with: Poetry 1.8+, Pylance 2024.x, VS Code 1.85+ While the Python extension includes Pylance, ensuring it's
Automatic, team-friendly (commit poetry.toml if needed), works with Dev Containers. Cons: Requires re-installing dependencies. Some developers dislike committing virtual envs (but you can .gitignore .venv ). It sees none of your installed dependencies, and
When using Pylance for Python development, you might encounter issues with it not recognizing imports from packages installed via Poetry. Pylance, being a language server for Python, utilizes the Language Server Protocol (LSP) to provide features like auto-completion, type checking, and more. For it to work effectively with Poetry-managed projects, you need to ensure it can correctly identify and understand the project's dependencies. Here’s a step-by-step guide on resolving the "Pylance missing imports" issue for a Poetry-managed project:
If you cannot change Poetry’s configuration (e.g., on a shared CI environment), you can instruct Pylance directly via a .env file.
"python.analysis.extraPaths": [ "$workspaceFolder/.venv/lib/python3.x/site-packages", "/path/to/poetry/virtualenv/lib/python3.x/site-packages" ]