Add basic type hints to vulcan (#69321)

homeassistant/components/vulcan/__init__.py

@@ -61,7 +61,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     return True
 
 
-async def async_unload_entry(hass, entry):
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     await hass.data[DOMAIN][entry.entry_id].close()
     for platform in PLATFORMS:

homeassistant/components/vulcan/calendar.py

@@ -7,10 +7,13 @@ from aiohttp import ClientConnectorError
 from vulcan._utils import VulcanAPIException
 
 from homeassistant.components.calendar import ENTITY_ID_FORMAT, CalendarEventDevice
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_SCAN_INTERVAL
+from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.device_registry import DeviceEntryType
 from homeassistant.helpers.entity import generate_entity_id
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.template import DATE_STR_FORMAT
 from homeassistant.util import Throttle, dt
 
@@ -21,7 +24,11 @@ from .fetch_data import get_lessons, get_student_info
 _LOGGER = logging.getLogger(__name__)
 
 
-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 calendar platform for event devices."""
     VulcanCalendarData.MIN_TIME_BETWEEN_UPDATES = timedelta(
         minutes=config_entry.options.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)