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Needed for mypy 1.18+ compatibility fix in the pydantic mypy plugin (pydantic/pydantic#12254).
kcons
approved these changes
Feb 5, 2026
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Needed for mypy 1.18+ compatibility fix in the pydantic mypy plugin (pydantic/pydantic#12254).
The plugin was mutating types, and mypy 1.18's added caching made that a problem.