Bump mypy from 1.15.0 to 1.16.0

[dependabot]

Bumps mypy from 1.15.0 to 1.16.0.

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 1.16

We’ve just uploaded mypy 1.16 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Different Property Getter and Setter Types

Mypy now supports using different types for a property getter and setter:

class A:
    _value: int
@property
def foo(self) -> int:
    return self._value
@foo.setter
def foo(self, x: str | int) -> None:
try:
self._value = int(x)
except ValueError:
raise Exception(f"'{x}' is not a valid value for 'foo'")

This was contributed by Ivan Levkivskyi (PR 18510).

Flexible Variable Redefinitions (Experimental)

Mypy now allows unannotated variables to be freely redefined with different types when using the experimental --allow-redefinition-new flag. You will also need to enable --local-partial-types. Mypy will now infer a union type when different types are assigned to a variable:

# mypy: allow-redefinition-new, local-partial-types
def f(n: int, b: bool) -> int | str:
if b:
x = n
else:
</tr></table>

... (truncated)

Commits

• 9e72e96 Update version to 1.16.0
• 8fe719f Add changelog for 1.16 (#19138)
• 2a036e7 Revert "Infer correct types with overloads of Type[Guard | Is] (#19161)
• b6da4fc Allow enum members to have type objects as values (#19160)
• 334469f [mypyc] Improve documentation of native and non-native classes (#19154)
• a499d9f Document --allow-redefinition-new (#19153)
• 96525a2 Merge commit '9e45dadcf6d8dbab36f83d9df94a706c0b4f9207' into release-1.16
• 9e45dad Clear more data in TypeChecker.reset() instead of asserting (#19087)
• 772cd0c Add --strict-bytes to --strict (#19049)
• 0b65f21 Admit that Final variables are never redefined (#19083)
• Additional commits viewable in compare view

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.81%. Comparing base (b1da65e) to head (2a8ff49).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #11093   +/-   ##
=======================================
  Coverage   98.81%   98.81%           
=======================================
  Files         129      129           
  Lines       41395    41395           
  Branches     2231     2231           
=======================================
  Hits        40906    40906           
  Misses        339      339           
  Partials      150      150           

Flag	Coverage Δ
CI-GHA	98.70% <100.00%> (ø)
OS-Linux	98.42% <100.00%> (ø)
OS-Windows	96.68% <97.36%> (ø)
OS-macOS	97.62% <100.00%> (ø)
Py-3.10.11	97.51% <100.00%> (-0.01%)	⬇️
Py-3.10.17	97.98% <100.00%> (-0.05%)	⬇️
Py-3.11.12	98.09% <100.00%> (+0.04%)	⬆️
Py-3.11.9	97.58% <100.00%> (+<0.01%)	⬆️
Py-3.12.10	98.48% <100.00%> (ø)
Py-3.13.3	98.47% <100.00%> (+<0.01%)	⬆️
Py-3.9.13	97.39% <100.00%> (+<0.01%)	⬆️
Py-3.9.22	97.89% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.16	93.91% <100.00%> (-0.12%)	⬇️
VM-macos	97.62% <100.00%> (ø)
VM-ubuntu	98.42% <100.00%> (ø)
VM-windows	96.68% <97.36%> (ø)

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[codspeed-hq]

CodSpeed Performance Report

Merging #11093 will not alter performance

_{Comparing dependabot/pip/mypy-1.16.0 (2a8ff49) with master (b1da65e)}

Summary

✅ 59 untouched benchmarks

[Dreamsorcerer]

Probable mypy regression here.