From 79c4164e033fcc577f2c057a0430ff11e717de73 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Wed, 14 Jan 2026 15:47:17 +0100
Subject: [PATCH] Mark device_class type hints as compulsory in various
 platforms (#160929)

---
 homeassistant/components/geniushub/switch.py | 2 +-
 pylint/plugins/hass_enforce_type_hints.py    | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/geniushub/switch.py b/homeassistant/components/geniushub/switch.py
index 890ca1578be..874bd0cee7b 100644
--- a/homeassistant/components/geniushub/switch.py
+++ b/homeassistant/components/geniushub/switch.py
@@ -57,7 +57,7 @@ class GeniusSwitch(GeniusZone, SwitchEntity):
     """Representation of a Genius Hub switch."""
 
     @property
-    def device_class(self):
+    def device_class(self) -> SwitchDeviceClass:
         """Return the class of this device, from component DEVICE_CLASSES."""
         return SwitchDeviceClass.OUTLET
 
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index 8e9bb6552a5..923b2d013bf 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -954,6 +954,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["ButtonDeviceClass", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="press",
@@ -1366,6 +1367,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["CoverDeviceClass", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="current_cover_position",
@@ -1991,6 +1993,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["MediaPlayerDeviceClass", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="state",
@@ -2334,6 +2337,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["NumberDeviceClass", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="capability_attributes",
@@ -2633,6 +2637,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["SwitchDeviceClass", None],
+                    mandatory=True,
                 ),
             ],
         ),
@@ -2737,6 +2742,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="device_class",
                     return_type=["UpdateDeviceClass", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="in_progress",