Use type variable bound to infer constraints #12230
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This fixes a regression where `iter(x)` could generate a false positive if `x` has a type variable type.
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Diff from mypy_primer, showing the effect of this PR on open source code: aioredis (https://github.com/aio-libs/aioredis)
+ aioredis/client.py:94: error: Unused "type: ignore" comment
pandas (https://github.com/pandas-dev/pandas)
+ pandas/core/arrays/sparse/array.py:776: error: Unused "type: ignore" comment
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jhance
approved these changes
Feb 22, 2022
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This fixes a regression where
iter(x)could generate a falsepositive if
xhas a type variable type with a bound.