Misc typing improvements (#86550)

homeassistant/components/alexa/config.py

@@ -1,8 +1,9 @@
 """Config helpers for Alexa."""
 from abc import ABC, abstractmethod
+import asyncio
 import logging
 
-from homeassistant.core import callback
+from homeassistant.core import CALLBACK_TYPE, callback
 from homeassistant.helpers.storage import Store
 
 from .const import DOMAIN
@@ -16,7 +17,7 @@ _LOGGER = logging.getLogger(__name__)
 class AbstractConfig(ABC):
     """Hold the configuration for Alexa."""
 
-    _unsub_proactive_report = None
+    _unsub_proactive_report: asyncio.Task[CALLBACK_TYPE] | None = None
 
     def __init__(self, hass):
         """Initialize abstract config."""

homeassistant/components/almond/config_flow.py

@@ -39,8 +39,8 @@ class AlmondFlowHandler(
 
     DOMAIN = DOMAIN
 
-    host = None
+    host: str | None = None
-    hassio_discovery = None
+    hassio_discovery: dict[str, Any] | None = None
 
     @property
     def logger(self) -> logging.Logger:

homeassistant/components/comfoconnect/fan.py

@@ -63,7 +63,7 @@ class ComfoConnectFan(FanEntity):
     _attr_should_poll = False
     _attr_supported_features = FanEntityFeature.SET_SPEED | FanEntityFeature.PRESET_MODE
     _attr_preset_modes = PRESET_MODES
-    current_speed = None
+    current_speed: float | None = None
 
     def __init__(self, ccb: ComfoConnectBridge) -> None:
         """Initialize the ComfoConnect fan."""

homeassistant/components/coronavirus/config_flow.py

@@ -17,7 +17,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
 
-    _options = None
+    _options: dict[str, Any] | None = None
 
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None

homeassistant/components/octoprint/config_flow.py

@@ -1,6 +1,7 @@
 """Config flow for OctoPrint integration."""
 from __future__ import annotations
 
+import asyncio
 from collections.abc import Mapping
 import logging
 from typing import Any
@@ -50,8 +51,8 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
 
-    api_key_task = None
+    api_key_task: asyncio.Task[None] | None = None
-    _reauth_data = None
+    _reauth_data: dict[str, Any] | None = None
 
     def __init__(self) -> None:
         """Handle a config flow for OctoPrint."""

homeassistant/components/onvif/event.py

@@ -19,7 +19,7 @@ from .const import LOGGER
 from .models import Event
 from .parsers import PARSERS
 
-UNHANDLED_TOPICS = set()
+UNHANDLED_TOPICS: set[str] = set()
 SUBSCRIPTION_ERRORS = (
     Fault,
     asyncio.TimeoutError,

homeassistant/components/pioneer/media_player.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 
 import logging
 import telnetlib
+from typing import Final
 
 import voluptuous as vol
 
@@ -24,7 +25,7 @@ CONF_SOURCES = "sources"
 
 DEFAULT_NAME = "Pioneer AVR"
 DEFAULT_PORT = 23  # telnet default. Some Pioneer AVRs use 8102
-DEFAULT_TIMEOUT = None
+DEFAULT_TIMEOUT: Final = None
 DEFAULT_SOURCES: dict[str, str] = {}
 
 

homeassistant/components/qwikswitch/sensor.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 from pyqwikswitch.qwikswitch import SENSORS
 
@@ -34,7 +35,7 @@ async def async_setup_platform(
 class QSSensor(QSEntity, SensorEntity):
     """Sensor based on a Qwikswitch relay/dimmer module."""
 
-    _val = None
+    _val: Any | None = None
 
     def __init__(self, sensor):
         """Initialize the sensor."""

homeassistant/components/temper/sensor.py

@@ -33,7 +33,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     }
 )
 
-TEMPER_SENSORS = []
+TEMPER_SENSORS: list[TemperSensor] = []
 
 
 def get_temper_devices():

homeassistant/components/yeelight/scanner.py

@@ -35,7 +35,7 @@ _LOGGER = logging.getLogger(__name__)
 class YeelightScanner:
     """Scan for Yeelight devices."""
 
-    _scanner = None
+    _scanner: YeelightScanner | None = None
 
     @classmethod
     @callback