applied autofixes from ANN204 but disabled it because we have too many special methods without return types

Author: twoertwein

.pre-commit-config.yaml

@@ -19,7 +19,8 @@ repos:
           --target-version, py38,
           --extend-select, "PYI,UP,RUF100",
           --ignore, "E501,E731,F841,PYI042",
-          --per-file-ignores, "_*.pyi:PYI001, _*.pyi:PYI030"
+          --per-file-ignores, "_*.pyi:PYI001, _*.pyi:PYI030",
+          --fix
         ]
 -   repo: https://github.com/codespell-project/codespell
     rev: v2.2.5

pandas-stubs/_libs/interval.pyi

@@ -79,7 +79,7 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         left: _OrderableT,
         right: _OrderableT,
         closed: IntervalClosedType = ...,
-    ): ...
+    ) -> None: ...
     def __hash__(self) -> int: ...
     # for __contains__, it seems that we have to separate out the 4 cases to make
     # mypy happy
@@ -222,7 +222,7 @@ class IntervalTree(IntervalMixin):
         right: np.ndarray,
         closed: IntervalClosedType = ...,
         leaf_size: int = ...,
-    ): ...
+    ) -> None: ...
     def get_indexer(self, target) -> npt.NDArray[np.intp]: ...
     def get_indexer_non_unique(
         self, target

pandas-stubs/_libs/tslibs/offsets.pyi

@@ -123,7 +123,7 @@ class RelativeDeltaOffset(BaseOffset):
 class BusinessMixin(SingleConstructorOffset):
     def __init__(
         self, n: int = ..., normalize: bool = ..., offset: timedelta = ...
-    ): ...
+    ) -> None: ...
 
 class BusinessDay(BusinessMixin): ...
 
@@ -135,15 +135,15 @@ class BusinessHour(BusinessMixin):
         start: str | time | Collection[str | time] = ...,
         end: str | time | Collection[str | time] = ...,
         offset: timedelta = ...,
-    ): ...
+    ) -> None: ...
 
 class WeekOfMonthMixin(SingleConstructorOffset):
-    def __init__(self, n: int = ..., weekday: Literal[0, 1, 2, 3, 4, 5, 6] = ...): ...
+    def __init__(self, n: int = ..., weekday: Literal[0, 1, 2, 3, 4, 5, 6] = ...) -> None: ...
 
 class YearOffset(SingleConstructorOffset):
     def __init__(
         self, n: int = ..., normalize: bool = ..., month: int | None = ...
-    ): ...
+    ) -> None: ...
 
 class BYearEnd(YearOffset): ...
 class BYearBegin(YearOffset): ...
@@ -206,7 +206,7 @@ class _CustomBusinessMonth(BusinessMixin):
         normalize: bool = ...,
         offset: timedelta = ...,
         holidays: list | None = ...,
-    ): ...
+    ) -> None: ...
 
 class CustomBusinessDay(BusinessDay):
     def __init__(
@@ -215,7 +215,7 @@ class CustomBusinessDay(BusinessDay):
         normalize: bool = ...,
         holidays: list = ...,
         calendar: AbstractHolidayCalendar | np.busdaycalendar = ...,
-    ): ...
+    ) -> None: ...
 
 class CustomBusinessHour(BusinessHour):
     def __init__(
@@ -226,7 +226,7 @@ class CustomBusinessHour(BusinessHour):
         end: str | time | Collection[str | time] = ...,
         offset: timedelta = ...,
         holidays: list | None = ...,
-    ): ...
+    ) -> None: ...
 
 class CustomBusinessMonthEnd(_CustomBusinessMonth): ...
 class CustomBusinessMonthBegin(_CustomBusinessMonth): ...
@@ -256,7 +256,7 @@ class DateOffset(RelativeDeltaOffset):
         second: int = ...,
         microsecond: int = ...,
         nanosecond: int = ...,
-    ): ...
+    ) -> None: ...
 
 BDay = BusinessDay
 BMonthEnd = BusinessMonthEnd

pandas-stubs/core/computation/expr.pyi

@@ -50,7 +50,7 @@ class PandasExprVisitor(BaseExprVisitor):
     def __init__(self, env, engine, parser, preparser=...) -> None: ...
 
 class PythonExprVisitor(BaseExprVisitor):
-    def __init__(self, env, engine, parser, preparser=...): ...
+    def __init__(self, env, engine, parser, preparser=...) -> None: ...
 
 class Expr:
     env: Scope

pandas-stubs/core/computation/pytables.pyi

@@ -81,7 +81,7 @@ class UnaryOp(ops.UnaryOp):
 class PyTablesExprVisitor(BaseExprVisitor):
     const_type = ...
     term_type = ...
-    def __init__(self, env, engine, parser, **kwargs): ...
+    def __init__(self, env, engine, parser, **kwargs) -> None: ...
     def visit_UnaryOp(self, node, **kwargs): ...
     def visit_Index(self, node, **kwargs): ...
     def visit_Assign(self, node, **kwargs): ...

pandas-stubs/core/dtypes/dtypes.pyi

@@ -48,13 +48,13 @@ class DatetimeTZDtype(PandasExtensionDtype):
     def na_value(self) -> NaTType: ...
 
 class PeriodDtype(PandasExtensionDtype):
-    def __init__(self, freq: str | BaseOffset = ...): ...
+    def __init__(self, freq: str | BaseOffset = ...) -> None: ...
     @property
     def freq(self) -> BaseOffset: ...
     @property
     def na_value(self) -> NaTType: ...
 
 class IntervalDtype(PandasExtensionDtype):
-    def __init__(self, subtype: str | npt.DTypeLike | None = ...): ...
+    def __init__(self, subtype: str | npt.DTypeLike | None = ...) -> None: ...
     @property
     def subtype(self) -> np.dtype | None: ...

pandas-stubs/core/frame.pyi

@@ -569,7 +569,7 @@ class DataFrame(NDFrame, OpsMixin):
     def isetitem(
         self, loc: int | Sequence[int], value: Scalar | ArrayLike | list[Any]
     ) -> None: ...
-    def __setitem__(self, key, value): ...
+    def __setitem__(self, key, value) -> None: ...
     @overload
     def query(self, expr: _str, *, inplace: Literal[True], **kwargs) -> None: ...
     @overload

pandas-stubs/core/generic.pyi

@@ -287,7 +287,7 @@ class NDFrame(PandasObject, indexing.IndexingMixin):
     def take(
         self, indices, axis=..., is_copy: _bool | None = ..., **kwargs
     ) -> NDFrame: ...
-    def __delitem__(self, idx: Hashable): ...
+    def __delitem__(self, idx: Hashable) -> None: ...
     def get(self, key: object, default: Dtype | None = ...) -> Dtype: ...
     def reindex_like(
         self,

pandas-stubs/core/indexers.pyi

@@ -16,7 +16,7 @@ class BaseIndexer:
         index_array: np.ndarray | None = ...,
         window_size: int = ...,
         **kwargs,
-    ): ...
+    ) -> None: ...
     def get_window_bounds(
         self,
         num_values: int = ...,
@@ -33,7 +33,7 @@ class VariableOffsetWindowIndexer(BaseIndexer):
         index=...,
         offset=...,
         **kwargs,
-    ): ...
+    ) -> None: ...
     def get_window_bounds(
         self,
         num_values: int = ...,

pandas-stubs/core/indexes/datetimes.pyi

@@ -59,7 +59,7 @@ class DatetimeIndex(  # type: ignore[misc]
         dtype=...,
         copy: bool = ...,
         name=...,
-    ): ...
+    ) -> None: ...
     def __array__(self, dtype=...) -> np.ndarray: ...
     def __reduce__(self): ...
     # various ignores needed for mypy, as we do want to restrict what can be used in

pandas-stubs/core/indexes/range.pyi

@@ -33,7 +33,7 @@ class RangeIndex(_IntIndexType):
         dtype=...,
         copy: bool = ...,
         name=...,
-    ): ...
+    ) -> None: ...
     @classmethod
     def from_range(cls, data, name=..., dtype=...): ...
     def __reduce__(self): ...

pandas-stubs/core/indexes/timedeltas.pyi

@@ -46,7 +46,7 @@ class TimedeltaIndex(  # type: ignore[misc]
         dtype: Literal["<m8[ns]"] = ...,
         copy: bool = ...,
         name: str = ...,
-    ): ...
+    ) -> None: ...
     # various ignores needed for mypy, as we do want to restrict what can be used in
     # arithmetic for these types
     @overload

tests/extension/decimal/array.py

@@ -200,7 +200,7 @@ def astype(self, dtype, copy=True):
 
         return super().astype(dtype, copy=copy)
 
-    def __setitem__(self, key, value):
+    def __setitem__(self, key, value) -> None:
         if is_list_like(value):
             if is_scalar(key):
                 raise ValueError("setting an array element with a sequence.")