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Check list multiplication operands in evaluation order - #22263
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hauntsaninja wants to merge 1 commit into
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Check the list first, using the outer context because list repetition preserves the item type, and let the operator checker handle the multiplier. Authored by Codex
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Diff from mypy_primer, showing the effect of this PR on open source code: sphinx (https://github.com/sphinx-doc/sphinx)
- sphinx/testing/util.py:80:1: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
scipy-stubs (https://github.com/scipy/scipy-stubs)
- tests/misc/test_submodules_empty.pyi:3: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
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Check the list first, using the outer context because list repetition preserves the item type (this code path doesn't look at rmul), and let the operator checker handle the multiplier. Also the code path works for SupportsIndex now
Authored by Codex