fix(deps): update dependency ty to v0.0.39

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	==0.0.38 → ==0.0.39

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Release Notes

astral-sh/ty (ty)

v0.0.39

Compare Source

Released on 2026-05-22.

This release removes the Python 3.9 branches from our vendored standard library stubs. ty now only has "full" support for
Python 3.10 and later, but will still report version-specific syntax errors and other diagnostics when --python-version 3.9
is provided via the CLI.

Bug fixes

• Avoid panicking on __new__ assignments to classes (#​25282)
• Preserve declaration order when synthesizing class fields (#​25249)
• Respect dict-compatible fallbacks in TypedDict unions (#​25242)
• Retain recursively-defined state in binary expressions (#​25277)

LSP server

• Add Quick Fix to remove redundant cast (#​25211)
• Classify property declaration semantic tokens (#​25322)
• Escape HTML syntax in docstring rendering (#​25247)
• Prefer symbols from standard library over those of the same name from third party libraries for import completions. (#​25108)
• Support type aliases in document symbols (#​25302)

Diagnostics

• Add error context for extra callable parameters (#​25269)

Performance

• Avoid exponential blow-up in fall-through narrowing (#​25278)
• Speed up include filtering for projects with many literal include patterns (#​25266)

Core type checking

• Allow enum member accesses on self (#​25077)
• Emit a diagnostic for subclassing with order=True (#​21704)
• Full-scope bidirectional inference for unconstrained container literals (#​25279)
• Infer dict(TypedDict) as dict[str, object] (#​24852)
• Refine Callable class-decorator fallback for unknown results (#​25250)
• Reject incompatible explicit variance in generic base classes (#​25327)
• Support multi-inference through type aliases (#​25245)
• Sync vendored typeshed stubs (#​25271, #​25172)

Contributors

• @​ibraheemdev
• @​MatthewMckee4
• @​sqqueak
• @​lerebear
• @​sharkdp
• @​dhimasardinata
• @​MichaReiser
• @​charliermarsh

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.90%. Comparing base (b1e3a3d) to head (1c346e0).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1758   +/-   ##
=======================================
  Coverage   83.90%   83.90%           
=======================================
  Files         341      341           
  Lines       12109    12109           
  Branches      575      575           
=======================================
  Hits        10160    10160           
  Misses       1742     1742           
  Partials      207      207           

Flag	Coverage Δ
unittests	83.90% <ø> (ø)

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