fix: bump mypy from 1.20.2 to 2.0.0 in the dev-dependencies group

[dependabot]

Bumps the dev-dependencies group with 1 update: mypy.

Updates mypy from 1.20.2 to 2.0.0

Changelog

Sourced from mypy's changelog.

Mypy Release Notes

Next Release

Mypy 2.0

We’ve just uploaded mypy 2.0.0 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. There are also changes to options and defaults. 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.

Enable --local-partial-types by Default

This flag affects the inference of types based on assignments in other scopes. For now, explicitly disabling this continues to be supported, but this support will be removed in the future as the legacy behaviour is hard to support with other current and future features in mypy, like the daemon or the new implementation of flexible redefinitions.

Contributed by Ivan Levkivskyi, Jukka Lehtosalo, Shantanu in PR 21163.

Enable --strict-bytes by Default

Per PEP 688, mypy no longer treats bytearray and memoryview values as assignable to the bytes type.

Contributed by Shantanu in PR 18371.

New Behavior for --allow-redefinition

The --allow-redefinition flag now behaves like --allow-redefinition-new in mypy 1.20 and earlier. The new behavior is generally more flexible. For example, you can have different types for a variable in different blocks:

# mypy: allow-redefinition
def foo(cond: bool) -> None:
if cond:
for x in ["a", "b"]:
# Type of "x" is "str" here
...
else:
for x in [1, 2]:
# Type of "x" is "int" here
...

... (truncated)

Commits

• 7a76500 Remove +dev from version
• 5a3ab3b Changelog for mypy 2.0 (#21422)
• f9c86e2 Some changelog updates for 2.0 (#21413)
• 519eaf1 Bump librt to 0.10.0 (#21415)
• 158a620 Fix negative narrowing for containers (#21411)
• e556eb9 Try fixing mypy mypyc wheels (#21392)
• f2c9797 Expose --num-workers and --native-parser (#21387)
• db0cb2f Bump ast-serialize cache version (#21388)
• 1090ca6 Bump ast-serialize version to 0.3.0 only (#21391)
• 714ca9f [mypyc] Add note about librt.strings thread safety (#21383)
• Additional commits viewable in compare view

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