Remove unneeded class _EntityDescriptionBase (#105518)

homeassistant/helpers/entity.py

@@ -23,7 +23,6 @@
     final,
 )
 
-from typing_extensions import dataclass_transform
 import voluptuous as vol
 
 from homeassistant.backports.functools import cached_property
@@ -220,17 +219,7 @@ class EntityPlatformState(Enum):
     REMOVED = auto()
 
 
-@dataclass_transform(
-    field_specifiers=(dataclasses.field, dataclasses.Field),
-    kw_only_default=True,  # Set to allow setting kw_only in child classes
-)
-class _EntityDescriptionBase:
-    """Add PEP 681 decorator (dataclass transform)."""
-
-
-class EntityDescription(
-    _EntityDescriptionBase, metaclass=FrozenOrThawed, frozen_or_thawed=True
-):
+class EntityDescription(metaclass=FrozenOrThawed, frozen_or_thawed=True):
     """A class that describes Home Assistant entities."""
 
     # This is the key identifier for this entity

homeassistant/util/frozen_dataclass_compat.py

@@ -9,6 +9,8 @@
 import sys
 from typing import Any
 
+from typing_extensions import dataclass_transform
+
 
 def _class_fields(cls: type, kw_only: bool) -> list[tuple[str, Any, Any]]:
     """Return a list of dataclass fields.
@@ -41,6 +43,10 @@ def _class_fields(cls: type, kw_only: bool) -> list[tuple[str, Any, Any]]:
     return [(field.name, field.type, field) for field in cls_fields]
 
 
+@dataclass_transform(
+    field_specifiers=(dataclasses.field, dataclasses.Field),
+    kw_only_default=True,  # Set to allow setting kw_only in child classes
+)
 class FrozenOrThawed(type):
     """Metaclass which which makes classes which behave like a dataclass.