fix: pyrefly

Author: cmp0xff

pandas-stubs/core/indexes/accessors.pyi

@@ -39,6 +39,7 @@ from typing_extensions import Never
 from pandas._libs.interval import Interval
 from pandas._libs.tslibs import BaseOffset
 from pandas._libs.tslibs.offsets import DateOffset
+from pandas._libs.tslibs.period import Period
 from pandas._libs.tslibs.timedeltas import Timedelta
 from pandas._libs.tslibs.timestamps import Timestamp
 from pandas._typing import (
@@ -456,6 +457,12 @@ class DtDescriptor:
     def __get__(
         self, instance: Series[Timedelta], owner: type[Series]
     ) -> TimedeltaProperties: ...
+    @overload
+    def __get__(
+        self,
+        instance: Series[Period] | PeriodSeries,
+        owner: type[Series | PeriodSeries],
+    ) -> PeriodProperties: ...
 
 @type_check_only
 class ArrayDescriptor:

pandas-stubs/core/series.pyi

@@ -70,7 +70,6 @@ from pandas.core.groupby.groupby import BaseGroupBy
 from pandas.core.indexers import BaseIndexer
 from pandas.core.indexes.accessors import (
     DtDescriptor,
-    PeriodProperties,
 )
 from pandas.core.indexes.category import CategoricalIndex
 from pandas.core.indexes.datetimes import DatetimeIndex
@@ -4724,8 +4723,7 @@ class _SeriesSubclassBase(Series[S1], Generic[S1, GenericT_co]):
     ) -> np_1darray: ...
 
 class PeriodSeries(_SeriesSubclassBase[Period, np.object_]):
-    @property
-    def dt(self) -> PeriodProperties: ...
+    dt: ClassVar = DtDescriptor()  # noqa
     def __sub__(self, other: PeriodSeries) -> OffsetSeries: ...  # type: ignore[override] # pyright: ignore[reportIncompatibleMethodOverride]
     def diff(self, periods: int = ...) -> OffsetSeries: ...  # type: ignore[override] # pyright: ignore[reportIncompatibleMethodOverride]
 

tests/series/test_properties.py

@@ -11,6 +11,7 @@
 from pandas.core.arrays.timedeltas import TimedeltaArray
 from pandas.core.indexes.accessors import (
     DatetimeProperties,
+    PeriodProperties,
     TimedeltaProperties,
 )
 from typing_extensions import assert_type
@@ -34,6 +35,13 @@ def test_dt_property() -> None:
         assert_type(pd.Series([pd.Timedelta(1, "s")]).dt, TimedeltaProperties),
         TimedeltaProperties,
     )
+    check(
+        assert_type(
+            pd.period_range(start="2022-06-01", periods=10).to_series().dt,
+            PeriodProperties,
+        ),
+        PeriodProperties,
+    )
 
     if TYPE_CHECKING_INVALID_USAGE:
         assert_type(pd.DataFrame({"a": [1]})["a"].dt, Any)