[ty] Attach subdiagnostics to unresolved-import errors for relative imports as well as absolute imports#21554
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AlexWaygood merged 1 commit intomainfrom Nov 21, 2025
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…d-typevar * origin/main: (24 commits) [ty] Remove brittle constraint set reveal tests (#21568) [`ruff`] Catch more dummy variable uses (`RUF052`) (#19799) [ty] Use the same snapshot handling as other tests (#21564) [ty] suppress autocomplete suggestions during variable binding (#21549) Set severity for non-rule diagnostics (#21559) [ty] Add `with_type` convenience to display code (#21563) [ty] Implement docstring rendering to markdown (#21550) [ty] Reduce indentation of `TypeInferenceBuilder::infer_attribute_load` (#21560) Bump 0.14.6 (#21558) [ty] Improve debug messages when imports fail (#21555) [ty] Add support for relative import completions [ty] Refactor detection of import statements for completions [ty] Use dedicated collector for completions [ty] Attach subdiagnostics to `unresolved-import` errors for relative imports as well as absolute imports (#21554) [ty] support PEP 613 type aliases (#21394) [ty] More low-hanging fruit for inlay hint goto-definition (#21548) [ty] implement `TypedDict` structural assignment (#21467) [ty] Add more random TypeDetails and tests (#21546) [ty] Add goto for `Unknown` when it appears in an inlay hint (#21545) [ty] Add type definitions for `Type::SpecialForm`s (#21544) ...
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Summary
If we're not able to resolve an import, we attach subdiagnostics to the error saying which search paths we looked for the import in, and linking to our settings page. However, we currently only attach these subdiagnostics if
level == 0-- i.e., if it was an absolute import that was unresolved. This doesn't make much sense; if anything, relative imports are more sensitive to the details of exactly which search paths the user has or hasn't got configured. It looks to me like this is just an accident; this PR changes things so that we attach the subdiagnostic to allunresolved-importdiagnostics, not just absolute ones.The diff here is easiest to review with GitHub's "hide whitespace changes" feature enabled 😄
Test Plan
Snapshot updated