Add humidifier setup type hints (#63289)

Co-authored-by: epenet <epenet@users.noreply.github.com>

homeassistant/components/ecobee/humidifier.py

@@ -10,7 +10,10 @@ from homeassistant.components.humidifier.const import (
     MODE_AUTO,
     SUPPORT_MODES,
 )
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import DeviceInfo
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from .const import DOMAIN, ECOBEE_MODEL_TO_NAME, MANUFACTURER
 
@@ -20,7 +23,11 @@ MODE_MANUAL = "manual"
 MODE_OFF = "off"
 
 
-async def async_setup_entry(hass, config_entry, async_add_entities):
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
     """Set up the ecobee thermostat humidifier entity."""
     data = hass.data[DOMAIN]
     entities = []

homeassistant/components/generic_hygrostat/humidifier.py

@@ -1,4 +1,6 @@
 """Adds support for generic hygrostat units."""
+from __future__ import annotations
+
 import asyncio
 import logging
 
@@ -23,13 +25,15 @@ from homeassistant.const import (
     STATE_OFF,
     STATE_ON,
 )
-from homeassistant.core import DOMAIN as HA_DOMAIN, callback
+from homeassistant.core import DOMAIN as HA_DOMAIN, HomeAssistant, callback
 from homeassistant.helpers import condition
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.event import (
     async_track_state_change,
     async_track_time_interval,
 )
 from homeassistant.helpers.restore_state import RestoreEntity
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import (
     CONF_AWAY_FIXED,
@@ -58,7 +62,12 @@ SUPPORT_FLAGS = 0
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(HYGROSTAT_SCHEMA.schema)
 
 
-async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+async def async_setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the generic hygrostat platform."""
     if discovery_info:
         config = discovery_info