TYP: r_/c_ shape-typing and improved dtypes - #32734
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Diff from mypy_primer, showing the effect of this PR on type check results on a corpus of open source code: pandas (https://github.com/pandas-dev/pandas)
+ pandas/core/groupby/groupby.py:1747: error: Incompatible types in assignment (expression has type "ndarray[tuple[Any, ...], dtype[float64]]", variable has type "ndarray[tuple[int], dtype[signedinteger[_32Bit | _64Bit]]]") [assignment]
+ pandas/core/groupby/generic.py:1225: error: Incompatible types in assignment (expression has type "ndarray[tuple[Any, ...], dtype[signedinteger[_32Bit | _64Bit]]] | None", variable has type "ndarray[Any, Any]") [assignment]
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RE: the new pandas mypy errors reported by mypy_primer:
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Thanks Joren. |
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The
__getitem__methods ofnp.r_andnp.c_now support shape-typing and have overloads for builtin sequence array-likes. Before these were effectively fully untyped.Pair programmed with AI.