⬆️ Update dependency ty to v0.0.17

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ty (changelog)	==0.0.16 → ==0.0.17

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Release Notes

astral-sh/ty (ty)

v0.0.17

Compare Source

Released on 2026-02-13.

Bug fixes

• Avoid Literal promotion for constrained TypeVars with Literal bounds (#​23209)
• Fix false positives in TypeVar shadowing checks (#​23222)

Core type checking

• Support generic protocols (#​21902)
• Perform control-flow analysis in loops (#​22794)
• Support typing.Self in attribute annotations (#​23108)
• Support type narrowing in situations with calls to NoReturn functions (#​23109)
• Support type narrowing and reachability analysis based on os.name checks (#​23230)
• Detect overrides of Final class variables in subclasses (#​23180)
• Fix bound method access on None (#​23246)
• Fix method calls on subclasses of Any (#​23248)
• Disallow type variables within PEP-695 type variable bounds and constraints (#​22982)
• Emit error for attribute access on union where some elements lack the attribute (#​23042)
• Emit error for invalid typevar defaults (#​23194)
• Improve display of ParamSpecs in some situations (#​23211)

LSP server

• Add hover and go-to-declaration support for subscript literals (#​22837)
• Assign lower completion ranking to deprecated names in auto import (#​23188)
• Improve spans of references to submodules imported in an __init__.py (#​21795)
• Include conditional symbols (like datetime.UTC) in auto-import in more cases (#​23249)
• Support auto-import for symbols in inlay hints (#​22111)
• Include overload declarations in find-references (#​23215)

Performance

• Avoid UnionBuilder overhead when creating a new union from the filtered elements of an existing union (#​22352)

Other changes

• Allow discovering dependencies in system Python environments (#​22994)
• Apply workspace settings to virtual files (#​23228)
• Add support for --output-format=junit (#​22125)
• Use a smaller diagnostic range for inconsistent-mro diagnostics (#​23213)

Contributors

• @​carljm
• @​BurntSushi
• @​charliermarsh
• @​Glyphack
• @​cetanu
• @​AlexWaygood
• @​joelostblom
• @​Gankra
• @​mtshiba
• @​MatthewMckee4
• @​Hugo-Polloli
• @​sharkdp
• @​alex
• @​dcreager
• @​oconnor663

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.88%. Comparing base (80fd094) to head (c64695a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1348   +/-   ##
=======================================
  Coverage   99.88%   99.88%           
=======================================
  Files           6        6           
  Lines         906      906           
  Branches      126      126           
=======================================
  Hits          905      905           
  Partials        1        1           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud