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raise TypeError when function returns object-like results #61529

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michael2015tse opened this issue Jun 1, 2025 · 0 comments
Open

raise TypeError when function returns object-like results #61529

michael2015tse opened this issue Jun 1, 2025 · 0 comments

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@michael2015tse
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michael2015tse commented Jun 1, 2025 •
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This roll_apply raises TypeError: must be real number, not str when my customized function returns str / list or other object-like results. Because here it is: ndarray[float64_t] output

pandas/pandas/_libs/window/aggregations.pyx

Line 1396 in 0691c5c

ndarray[float64_t] output, counts

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