From 8f3dcd655762c9d9e6358de40ce06d32bb3447f7 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 18 Jun 2024 18:21:19 -0500
Subject: [PATCH] Cleanup august dataclasses (#119938)

---
 homeassistant/components/august/config_flow.py |  2 +-
 homeassistant/components/august/sensor.py      | 11 ++---------
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/homeassistant/components/august/config_flow.py b/homeassistant/components/august/config_flow.py
index 75543311fdd..18c15ad61a1 100644
--- a/homeassistant/components/august/config_flow.py
+++ b/homeassistant/components/august/config_flow.py
@@ -66,7 +66,7 @@ async def async_validate_input(
     }
 
 
-@dataclass
+@dataclass(slots=True)
 class ValidateResult:
     """Result from validation."""
 
diff --git a/homeassistant/components/august/sensor.py b/homeassistant/components/august/sensor.py
index 862117319fa..59f4d0cf33f 100644
--- a/homeassistant/components/august/sensor.py
+++ b/homeassistant/components/august/sensor.py
@@ -58,20 +58,13 @@ def _retrieve_linked_keypad_battery_state(detail: KeypadDetail) -> int | None:
 _T = TypeVar("_T", LockDetail, KeypadDetail)
 
 
-@dataclass(frozen=True)
-class AugustRequiredKeysMixin(Generic[_T]):
+@dataclass(frozen=True, kw_only=True)
+class AugustSensorEntityDescription(SensorEntityDescription, Generic[_T]):
     """Mixin for required keys."""
 
     value_fn: Callable[[_T], int | None]
 
 
-@dataclass(frozen=True)
-class AugustSensorEntityDescription(
-    SensorEntityDescription, AugustRequiredKeysMixin[_T]
-):
-    """Describes August sensor entity."""
-
-
 SENSOR_TYPE_DEVICE_BATTERY = AugustSensorEntityDescription[LockDetail](
     key="device_battery",
     entity_category=EntityCategory.DIAGNOSTIC,