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Title: Fix `meet_types` for literal and instance by randolf-scholz · Pull Request #19605 · python/mypy · GitHub

Open Graph Title: Fix `meet_types` for literal and instance by randolf-scholz · Pull Request #19605 · python/mypy

X Title: Fix `meet_types` for literal and instance by randolf-scholz · Pull Request #19605 · python/mypy

Description: Optional static typing for Python. Contribute to python/mypy development by creating an account on GitHub.

Open Graph Description: Fixes meet_types gives unexpected results when meeting literal and Instance #19560 Fixes Specify behavior for Literal? types. #19625 Fixes Regression: false positive avoid redundant cast with liter...

X Description: Fixes meet_types gives unexpected results when meeting literal and Instance #19560 Fixes Specify behavior for Literal? types. #19625 Fixes Regression: false positive avoid redundant cast with liter...

Opengraph URL: https://github.com/python/mypy/pull/19605

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meet_types gives unexpected results when meeting literal and Instance #19560https://github.com/python/mypy/issues/19560
Specify behavior for Literal? types. #19625https://github.com/python/mypy/issues/19625
Regression: false positive avoid redundant cast with literal union #19055https://github.com/python/mypy/issues/19055
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meet_types gives unexpected results when meeting literal and Instance #19560 https://github.com/python/mypy/issues/19560
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change behavior of literal? typeshttps://github.com/python/mypy/pull/19605/commits/473fb48f51fc9892b89f3e76981924125989abb8
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fixed test after rebasehttps://github.com/python/mypy/pull/19605/commits/55456ba10b8fddb2338581608166aa10ca4fc78e
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Dec 19, 2025https://github.com/python/mypy/pull/19605#issuecomment-3676071000
#20444https://github.com/python/mypy/pull/20444
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Dec 19, 2025https://github.com/python/mypy/pull/19605#event-21675981781
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Specify behavior for Literal? types. https://github.com/python/mypy/issues/19625
meet_types gives unexpected results when meeting literal and Instance https://github.com/python/mypy/issues/19560
Regression: false positive avoid redundant cast with literal union https://github.com/python/mypy/issues/19055
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