ENH: Add typing for pandas.core.frame.dropna #38968
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@@ -5537,14 +5537,38 @@ def notna(self) -> DataFrame: | |||||
| def notnull(self) -> DataFrame: | ||||||
| return ~self.isna() | ||||||
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| @overload | ||||||
| # https://github.com/python/mypy/issues/6580 | ||||||
| # Overloaded function signatures 1 and 2 overlap with incompatible return types | ||||||
| def dropna( # type: ignore[misc] | ||||||
| self, | ||||||
| axis: Axis = ..., | ||||||
| how: str = ..., | ||||||
| thresh: Optional[int] = ..., | ||||||
| subset: Optional[Union[Hashable, Sequence[Hashable]]] = ..., | ||||||
| inplace: Literal[False] = ..., | ||||||
| ) -> DataFrame: | ||||||
| ... | ||||||
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| @overload | ||||||
| def dropna( | ||||||
| self, | ||||||
| axis: Axis = ..., | ||||||
| how: str = ..., | ||||||
| thresh: Optional[int] = ..., | ||||||
| subset: Optional[Union[Hashable, Sequence[Hashable]]] = ..., | ||||||
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There was a problem hiding this comment. we now have an
Suggested change
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| inplace: Literal[True] = ..., | ||||||
| ) -> None: | ||||||
| ... | ||||||
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| def dropna( | ||||||
| self, | ||||||
| axis: Axis = 0, | ||||||
| how: str = "any", | ||||||
| thresh: Optional[int] = None, | ||||||
| subset: Optional[Union[Hashable, Sequence[Hashable]]] = None, | ||||||
| inplace: bool = False, | ||||||
| ) -> Optional[DataFrame]: | ||||||
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There was a problem hiding this comment. I see you used #37137 as a example. However the motivation for that PR was to remove an Not needed to be done in this PR, but just FYI if the motivation for adding the types is for the public api, then the return type should be the same type as self for subclassed DataFrames. |
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| """ | ||||||
| Remove missing values. | ||||||
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@@ -5683,6 +5707,7 @@ def dropna( | |||||
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| if inplace: | ||||||
| self._update_inplace(result) | ||||||
| return None | ||||||
| else: | ||||||
| return result | ||||||
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I'm pretty sure this comment has to go above the decorator?
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It doesn't in
pandas.core.frame.reset_index, which doesn't seem to cause any problems. Also, it passed the typing portion of CI/Checks build, so I think we are fine. Happy to move it if there is a style preference though!There was a problem hiding this comment.
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I don't have a preference since it passes CI