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Title: Fix nondeterministic type checking by making join with explicit Protocol and type promotion commute by hauntsaninja · Pull Request #18402 · python/mypy · GitHub

Open Graph Title: Fix nondeterministic type checking by making join with explicit Protocol and type promotion commute by hauntsaninja · Pull Request #18402 · python/mypy

X Title: Fix nondeterministic type checking by making join with explicit Protocol and type promotion commute by hauntsaninja · Pull Request #18402 · python/mypy

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

Open Graph Description: Fixes #16979 (bzoracler case only, OP case fixed by #19147) See #16979 (comment)

X Description: Fixes #16979 (bzoracler case only, OP case fixed by #19147) See #16979 (comment)

Opengraph URL: https://github.com/python/mypy/pull/18402

X: @github

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