[ty] Improve diagnostics if the user attempts to import a stdlib module that does not exist on their configured Python version #18403
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…le that does not exist on their configured Python version
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MichaReiser
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Co-authored-by: Micha Reiser <micha@reiser.io>
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…aration * origin/main: [ty] Treat lambda functions as instances of types.FunctionType (#18431) [ty] Fix false positives for legacy `ParamSpec`s inside `Callable` type expressions (#18426) [ty] Improve diagnostics if the user attempts to import a stdlib module that does not exist on their configured Python version (#18403) Update taiki-e/install-action action to v2.52.4 (#18420) Update docker/build-push-action action to v6.18.0 (#18422) [ty] Fix server hang after shutdown request (#18414) Update Rust crate libcst to v1.8.0 (#18424) Update Rust crate clap to v4.5.39 (#18419) Update cargo-bins/cargo-binstall action to v1.12.6 (#18416) Update dependency mdformat-mkdocs to v4.3.0 (#18421) Update pre-commit dependencies (#18418) Update dependency ruff to v0.11.12 (#18417) [ty] Ensure `Literal` types are considered assignable to anything their `Instance` supertypes are assignable to (#18351) [ty] Promote projects to good that now no longer hang (#18370) Sync vendored typeshed stubs (#18407) [ty] Fix multithreading related hangs and panics (#18238) Support relative `--ty-path` in ty-benchmark (#18385) [ty] Update docs for Python version inference (#18397) [ty] Infer the Python version from the environment if feasible (#18057) Implement template strings (#17851)
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Summary
If the user attempts to import a module that doesn't exist on their configured Python version, but does exist in the standard library on some other Python versions, give them a hint in the diagnostic that they may have misconfigured their Python version.
Demo:
Test Plan
Snapshots 'n' screenshots