Fix the metadata propagation in Dataframe.std #52924
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jiawei-zhang-a
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Looks like there's typing issue which indicates this needs fixed at a lower level |
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Yeah it seems so, i will figure it out |
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Fix the typing problem by forcing the only propagation on Series |
MarcoGorelli
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Apr 28, 2023
pandas/core/frame.py
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| return result |
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this should be unreachable, and looks like a case where we humans looking at the code can infer things which the type checker can't
I'd suggest
result = cast(Series, super().std(...)
return result.__finalize_(...)
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Thank you so much, Mr Gorelli! I appreciate your help so much, I will submit this:)
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changes look good, if you add a whatsnew note to 2.1.0.rst we can get this in |
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Sure! I will add it now, Sorry I forget to add |
mroeschke
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May 1, 2023
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Thanks @jiawei-zhang-a |
topper-123
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May 7, 2023
* Fix the metadata propagation both in Dataframe.std * Fix the typing problem by forcing propogation only on Series * From judge statement to cast * Add whatsnew
Rylie-W
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May 19, 2023
* Fix the metadata propagation both in Dataframe.std * Fix the typing problem by forcing propogation only on Series * From judge statement to cast * Add whatsnew
Daquisu
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Jul 8, 2023
* Fix the metadata propagation both in Dataframe.std * Fix the typing problem by forcing propogation only on Series * From judge statement to cast * Add whatsnew
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.The goal here is to make progress on Various methods don't call call __finalize__ #28283.