[_operator] Type add and sub mimicking mul in #15598. #15601
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srittau merged 3 commits intopython:mainfrom Apr 5, 2026
Merged
[_operator] Type add and sub mimicking mul in #15598. #15601srittau merged 3 commits intopython:mainfrom
add and sub mimicking mul in #15598. #15601srittau merged 3 commits intopython:mainfrom
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The primer hits seem similar to those #15598. I.e. mypy bugs or inability to derive a common base type due to now missing |
srittau
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Apr 5, 2026
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Diff from mypy_primer, showing the effect of this PR on open source code: colour (https://github.com/colour-science/colour)
+ colour/utilities/array.py:547: error: Cannot call function of unknown type [operator]
+ colour/io/luts/lut.py:638: error: Cannot call function of unknown type [operator]
+ colour/continuous/signal.py:1089: error: Cannot call function of unknown type [operator]
spark (https://github.com/apache/spark)
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[float | Literal[0], float | Literal[0]], float | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[complex | Literal[0], complex | Literal[0]], complex | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[signedinteger[_32Bit] | Literal[0], signedinteger[_32Bit] | Literal[0]], signedinteger[_32Bit] | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[signedinteger[_64Bit] | Literal[0], signedinteger[_64Bit] | Literal[0]], signedinteger[_64Bit] | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[floating[_32Bit] | Literal[0], floating[_32Bit] | Literal[0]], floating[_32Bit] | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[float64 | Literal[0], float64 | Literal[0]], float64 | Literal[0]]" [arg-type]
+ python/pyspark/core/rdd.py:2155: error: Argument 2 to "fold" of "RDD" has incompatible type overloaded function; expected "Callable[[ndarray[tuple[Any, ...], dtype[Any]] | Literal[0], ndarray[tuple[Any, ...], dtype[Any]] | Literal[0]], ndarray[tuple[Any, ...], dtype[Any]] | Literal[0]]" [arg-type]
rotki (https://github.com/rotki/rotki)
+ rotkehlchen/utils/misc.py:199: error: Argument 1 to "sub" has incompatible type "V | Any"; expected "SupportsSub[Any, Any]" [arg-type]
+ rotkehlchen/utils/misc.py:199: note: Error code "arg-type" not covered by "type: ignore" comment
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