Add setup type hints to season (#63798)

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

homeassistant/components/season/sensor.py

@@ -1,14 +1,18 @@
 """Support for tracking which astronomical or meteorological season it is."""
+from __future__ import annotations
+
 from datetime import datetime
 import logging
 
 import ephem
 import voluptuous as vol
 
-from homeassistant import util
 from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
 from homeassistant.const import CONF_NAME, CONF_TYPE
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.util.dt import utcnow
 
 _LOGGER = logging.getLogger(__name__)
@@ -53,19 +57,19 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Display the current season."""
-    if None in (hass.config.latitude, hass.config.longitude):
-        _LOGGER.error("Latitude or longitude not set in Home Assistant config")
-        return False
-
-    latitude = util.convert(hass.config.latitude, float)
     _type = config.get(CONF_TYPE)
     name = config.get(CONF_NAME)
 
-    if latitude < 0:
+    if hass.config.latitude < 0:
         hemisphere = SOUTHERN
-    elif latitude > 0:
+    elif hass.config.latitude > 0:
         hemisphere = NORTHERN
     else:
         hemisphere = EQUATOR
@@ -73,8 +77,6 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     _LOGGER.debug(_type)
     add_entities([Season(hass, hemisphere, _type, name)], True)
 
-    return True
-
 
 def get_season(date, hemisphere, season_tracking_type):
     """Calculate the current season."""

tests/components/season/test_sensor.py

@@ -16,17 +16,17 @@ from homeassistant.const import STATE_UNKNOWN
 from homeassistant.setup import async_setup_component
 
 HEMISPHERE_NORTHERN = {
-    "homeassistant": {"latitude": "48.864716", "longitude": "2.349014"},
+    "homeassistant": {"latitude": 48.864716, "longitude": 2.349014},
     "sensor": {"platform": "season", "type": "astronomical"},
 }
 
 HEMISPHERE_SOUTHERN = {
-    "homeassistant": {"latitude": "-33.918861", "longitude": "18.423300"},
+    "homeassistant": {"latitude": -33.918861, "longitude": 18.423300},
     "sensor": {"platform": "season", "type": "astronomical"},
 }
 
 HEMISPHERE_EQUATOR = {
-    "homeassistant": {"latitude": "0", "longitude": "-51.065100"},
+    "homeassistant": {"latitude": 0, "longitude": -51.065100},
     "sensor": {"platform": "season", "type": "astronomical"},
 }