Improve type hints in vesync lights (#75998)

* Improve type hints in vesync lights

* Adjust import

homeassistant/components/vesync/common.py

@@ -1,7 +1,10 @@
 """Common utilities for VeSync Component."""
 import logging
+from typing import Any
 
-from homeassistant.helpers.entity import Entity, ToggleEntity
+from pyvesync.vesyncbasedevice import VeSyncBaseDevice
+
+from homeassistant.helpers.entity import DeviceInfo, Entity, ToggleEntity
 
 from .const import DOMAIN, VS_FANS, VS_LIGHTS, VS_SENSORS, VS_SWITCHES
 
@@ -48,7 +51,7 @@ async def async_process_devices(hass, manager):
 class VeSyncBaseEntity(Entity):
     """Base class for VeSync Entity Representations."""
 
-    def __init__(self, device):
+    def __init__(self, device: VeSyncBaseDevice) -> None:
         """Initialize the VeSync device."""
         self.device = device
         self._attr_unique_id = self.base_unique_id
@@ -65,7 +68,7 @@ class VeSyncBaseEntity(Entity):
         return self.device.cid
 
     @property
-    def base_name(self):
+    def base_name(self) -> str:
         """Return the name of the device."""
         # Same story here as `base_unique_id` above
         return self.device.device_name
@@ -76,17 +79,17 @@ class VeSyncBaseEntity(Entity):
         return self.device.connection_status == "online"
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return device information."""
-        return {
-            "identifiers": {(DOMAIN, self.base_unique_id)},
-            "name": self.base_name,
-            "model": self.device.device_type,
-            "default_manufacturer": "VeSync",
-            "sw_version": self.device.current_firm_version,
-        }
+        return DeviceInfo(
+            identifiers={(DOMAIN, self.base_unique_id)},
+            name=self.base_name,
+            model=self.device.device_type,
+            default_manufacturer="VeSync",
+            sw_version=self.device.current_firm_version,
+        )
 
-    def update(self):
+    def update(self) -> None:
         """Update vesync device."""
         self.device.update()
 
@@ -100,10 +103,10 @@ class VeSyncDevice(VeSyncBaseEntity, ToggleEntity):
         return self.device.details
 
     @property
-    def is_on(self):
+    def is_on(self) -> bool:
         """Return True if device is on."""
         return self.device.device_status == "on"
 
-    def turn_off(self, **kwargs):
+    def turn_off(self, **kwargs: Any) -> None:
         """Turn the device off."""
         self.device.turn_off()