fix errors

Author: twoertwein

pandas/_typing.py

@@ -84,7 +84,7 @@
     NumpySorter = Optional[npt._ArrayLikeInt_co]  # type: ignore[name-defined]
 
     if sys.version_info >= (3, 10):
-        from typing import TypeGuard as TypeGuard
+        from typing import TypeGuard
     else:
         from typing_extensions import TypeGuard  # pyright: ignore[reportUnusedImport]
 

pandas/core/dtypes/dtypes.py

@@ -951,10 +951,7 @@ class PeriodDtype(PeriodDtypeBase, PandasExtensionDtype):
     # "Dict[int, PandasExtensionDtype]", base class "PandasExtensionDtype"
     # defined the type as "Dict[str, PandasExtensionDtype]")  [assignment]
     _cache_dtypes: dict[BaseOffset, PeriodDtype] = {}  # type: ignore[assignment] # noqa: E501
-    # error: Incompatible types in assignment (expression has type "Callable[[
-    # PeriodDtypeBase], int]", base class "PandasExtensionDtype" defined the type
-    # as "Callable[[PandasExtensionDtype], int]")
-    __hash__ = PeriodDtypeBase.__hash__  # type: ignore[assignment]
+    __hash__ = PeriodDtypeBase.__hash__
     _freq: BaseOffset
 
     def __new__(cls, freq):

pandas/core/dtypes/missing.py

@@ -5,7 +5,6 @@
 
 from decimal import Decimal
 from functools import partial
-from re import Pattern
 from typing import (
     TYPE_CHECKING,
     overload,
@@ -47,6 +46,8 @@
 from pandas.core.dtypes.inference import is_list_like
 
 if TYPE_CHECKING:
+    from re import Pattern
+
     from pandas._typing import (
         ArrayLike,
         DtypeObj,