diff --git a/.gitignore b/.gitignore
index c8a6fed2ddfbdccfb2527f78f09d607b10bbf47a..fe26f43e8bc4125dcf878cacd5dddf05ddceacd8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -98,3 +98,6 @@ desktop.ini
/home-assistant.pyproj
/home-assistant.sln
/.vs/*
+
+# mypy
+/.mypy_cache/*
diff --git a/homeassistant/components/alert.py b/homeassistant/components/alert.py
index 27d1625fd6b6b7c87365bae944e0d96a826183c6..eb941e22877bf12f56745c8cb86bf2e05698445b 100644
--- a/homeassistant/components/alert.py
+++ b/homeassistant/components/alert.py
@@ -277,7 +277,7 @@ class Alert(ToggleEntity):
yield from self.async_update_ha_state()
@asyncio.coroutine
- def async_toggle(self):
+ def async_toggle(self, **kwargs):
"""Async toggle alert."""
if self._ack:
return self.async_turn_on()
diff --git a/homeassistant/components/binary_sensor/ihc.py b/homeassistant/components/binary_sensor/ihc.py
index 14e45f88cf1fb0d1d1ad337a5c5a79d9d63741ba..04f8c0d00ddf5a64c0ca622d98a08f052f863ede 100644
--- a/homeassistant/components/binary_sensor/ihc.py
+++ b/homeassistant/components/binary_sensor/ihc.py
@@ -69,7 +69,8 @@ class IHCBinarySensor(IHCDevice, BinarySensorDevice):
"""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
- sensor_type: str, inverting: bool, product: Element=None):
+ sensor_type: str, inverting: bool,
+ product: Element=None) -> None:
"""Initialize the IHC binary sensor."""
super().__init__(ihc_controller, name, ihc_id, info, product)
self._state = None
diff --git a/homeassistant/components/cover/isy994.py b/homeassistant/components/cover/isy994.py
index b187b8409c23cacb7dbe2e653ab9b788235f9aad..7d77b1bc3becddd206d7b63da4fab2169b09d9d7 100644
--- a/homeassistant/components/cover/isy994.py
+++ b/homeassistant/components/cover/isy994.py
@@ -42,7 +42,7 @@ def setup_platform(hass, config: ConfigType,
class ISYCoverDevice(ISYDevice, CoverDevice):
"""Representation of an ISY994 cover device."""
- def __init__(self, node: object):
+ def __init__(self, node: object) -> None:
"""Initialize the ISY994 cover device."""
super().__init__(node)
diff --git a/homeassistant/components/device_tracker/unifi.py b/homeassistant/components/device_tracker/unifi.py
index a3e81b3ef5110c030f8cbf9cff44166c7af3365a..d5b6b044f1f1e5d1f1572c1c5a14433062475a3f 100644
--- a/homeassistant/components/device_tracker/unifi.py
+++ b/homeassistant/components/device_tracker/unifi.py
@@ -75,7 +75,7 @@ def get_scanner(hass, config):
class UnifiScanner(DeviceScanner):
"""Provide device_tracker support from Unifi WAP client data."""
- def __init__(self, controller, detection_time: timedelta):
+ def __init__(self, controller, detection_time: timedelta) -> None:
"""Initialize the scanner."""
self._detection_time = detection_time
self._controller = controller
diff --git a/homeassistant/components/fan/comfoconnect.py b/homeassistant/components/fan/comfoconnect.py
index ab32e588c03799dd8622832a140269f27ad7ed02..c6d1232801f69525c0bf1033a070fd604e10206d 100644
--- a/homeassistant/components/fan/comfoconnect.py
+++ b/homeassistant/components/fan/comfoconnect.py
@@ -37,7 +37,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class ComfoConnectFan(FanEntity):
"""Representation of the ComfoConnect fan platform."""
- def __init__(self, hass, name, ccb: ComfoConnectBridge):
+ def __init__(self, hass, name, ccb: ComfoConnectBridge) -> None:
"""Initialize the ComfoConnect fan."""
from pycomfoconnect import SENSOR_FAN_SPEED_MODE
@@ -93,7 +93,7 @@ class ComfoConnectFan(FanEntity):
speed = SPEED_LOW
self.set_speed(speed)
- def turn_off(self) -> None:
+ def turn_off(self, **kwargs) -> None:
"""Turn off the fan (to away)."""
self.set_speed(SPEED_OFF)
diff --git a/homeassistant/components/hdmi_cec.py b/homeassistant/components/hdmi_cec.py
index f94dd8816a7e502883bff8df6c70937b328feeb4..8e2464d0922b641017ea59bcc49d89c8e128fceb 100644
--- a/homeassistant/components/hdmi_cec.py
+++ b/homeassistant/components/hdmi_cec.py
@@ -320,7 +320,7 @@ def setup(hass: HomeAssistant, base_config):
class CecDevice(Entity):
"""Representation of a HDMI CEC device entity."""
- def __init__(self, hass: HomeAssistant, device, logical):
+ def __init__(self, hass: HomeAssistant, device, logical) -> None:
"""Initialize the device."""
self._device = device
self.hass = hass
diff --git a/homeassistant/components/ihc/ihcdevice.py b/homeassistant/components/ihc/ihcdevice.py
index 48827851f92a0080bb4c789c8bee1b9e9f046f41..999dda420155eed9480a335d34415853912313b3 100644
--- a/homeassistant/components/ihc/ihcdevice.py
+++ b/homeassistant/components/ihc/ihcdevice.py
@@ -14,7 +14,7 @@ class IHCDevice(Entity):
"""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
- product: Element=None):
+ product: Element=None) -> None:
"""Initialize IHC attributes."""
self.ihc_controller = ihc_controller
self._name = name
diff --git a/homeassistant/components/light/ihc.py b/homeassistant/components/light/ihc.py
index f23ae77c8b2f87c445b2c57c2c6b1605cb39d5cb..ead0f1535625d6fc61496ea86a71cdce1610d082 100644
--- a/homeassistant/components/light/ihc.py
+++ b/homeassistant/components/light/ihc.py
@@ -64,7 +64,7 @@ class IhcLight(IHCDevice, Light):
"""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
- dimmable=False, product: Element=None):
+ dimmable=False, product: Element=None) -> None:
"""Initialize the light."""
super().__init__(ihc_controller, name, ihc_id, info, product)
self._brightness = 0
diff --git a/homeassistant/components/light/tplink.py b/homeassistant/components/light/tplink.py
index 30ad3a4d268dc38127954fa28b8eb060a901366f..6aee02ee914f818e669a6062145f0def4940bd5c 100644
--- a/homeassistant/components/light/tplink.py
+++ b/homeassistant/components/light/tplink.py
@@ -75,7 +75,7 @@ def hsv_to_rgb(hsv: Tuple[float, float, float]) -> Tuple[int, int, int]:
class TPLinkSmartBulb(Light):
"""Representation of a TPLink Smart Bulb."""
- def __init__(self, smartbulb: 'SmartBulb', name):
+ def __init__(self, smartbulb: 'SmartBulb', name) -> None:
"""Initialize the bulb."""
self.smartbulb = smartbulb
self._name = name
diff --git a/homeassistant/components/media_player/hdmi_cec.py b/homeassistant/components/media_player/hdmi_cec.py
index 7054c83d36a47dfa756c2f40564ccb5cfd2dc935..03e7c6f0c9f76432bf138ab37e493a5da987f2fa 100644
--- a/homeassistant/components/media_player/hdmi_cec.py
+++ b/homeassistant/components/media_player/hdmi_cec.py
@@ -34,7 +34,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class CecPlayerDevice(CecDevice, MediaPlayerDevice):
"""Representation of a HDMI device as a Media palyer."""
- def __init__(self, hass: HomeAssistant, device, logical):
+ def __init__(self, hass: HomeAssistant, device, logical) -> None:
"""Initialize the HDMI device."""
CecDevice.__init__(self, hass, device, logical)
self.entity_id = "%s.%s_%s" % (
diff --git a/homeassistant/components/media_player/onkyo.py b/homeassistant/components/media_player/onkyo.py
index 97ebe5be92b0472fbf0e21a0d88634fca9a7b86c..432d9ce108fb5fbfbb27c2cd62d40f7d0b3539a2 100644
--- a/homeassistant/components/media_player/onkyo.py
+++ b/homeassistant/components/media_player/onkyo.py
@@ -6,6 +6,9 @@ https://home-assistant.io/components/media_player.onkyo/
"""
import logging
+# pylint: disable=unused-import
+from typing import List # noqa: F401
+
import voluptuous as vol
from homeassistant.components.media_player import (
diff --git a/homeassistant/components/media_player/webostv.py b/homeassistant/components/media_player/webostv.py
index 55179ed60a91a78b4a9a4d2b661801fe6693eee6..fed442e140e8315d2600caece1e01e5b52da25f1 100644
--- a/homeassistant/components/media_player/webostv.py
+++ b/homeassistant/components/media_player/webostv.py
@@ -9,6 +9,9 @@ from datetime import timedelta
import logging
from urllib.parse import urlparse
+# pylint: disable=unused-import
+from typing import Dict # noqa: F401
+
import voluptuous as vol
from homeassistant.components.media_player import (
diff --git a/homeassistant/components/pilight.py b/homeassistant/components/pilight.py
index 3000820d28c4f27e3faee0808fb0759188c71f13..71e8232e8c2c661e68db1d35d2609439bee199b2 100644
--- a/homeassistant/components/pilight.py
+++ b/homeassistant/components/pilight.py
@@ -130,7 +130,7 @@ class CallRateDelayThrottle(object):
it should not block the mainloop.
"""
- def __init__(self, hass, delay_seconds: float):
+ def __init__(self, hass, delay_seconds: float) -> None:
"""Initialize the delay handler."""
self._delay = timedelta(seconds=max(0.0, delay_seconds))
self._queue = []
diff --git a/homeassistant/components/recorder/__init__.py b/homeassistant/components/recorder/__init__.py
index e19bcaaddfcb6121ae97166b5af6adbc734e77aa..1adce50b1aa88fea0eb8e53a04b286b6a644302e 100644
--- a/homeassistant/components/recorder/__init__.py
+++ b/homeassistant/components/recorder/__init__.py
@@ -16,7 +16,7 @@ import queue
import threading
import time
-from typing import Dict, Optional
+from typing import Any, Dict, Optional # noqa: F401
import voluptuous as vol
diff --git a/homeassistant/components/sensor/comfoconnect.py b/homeassistant/components/sensor/comfoconnect.py
index 9df28d861ee93d75a4bd0138f672ee421a82c802..ad6b07fb3dacbbf824d195278d9905a4cc2c646d 100644
--- a/homeassistant/components/sensor/comfoconnect.py
+++ b/homeassistant/components/sensor/comfoconnect.py
@@ -96,7 +96,8 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class ComfoConnectSensor(Entity):
"""Representation of a ComfoConnect sensor."""
- def __init__(self, hass, name, ccb: ComfoConnectBridge, sensor_type):
+ def __init__(self, hass, name, ccb: ComfoConnectBridge,
+ sensor_type) -> None:
"""Initialize the ComfoConnect sensor."""
self._ccb = ccb
self._sensor_type = sensor_type
diff --git a/homeassistant/components/sensor/daikin.py b/homeassistant/components/sensor/daikin.py
index ad571110e885468ef3e7feb47afd8b0424bb8312..3ea3418db4e5b0f12151a31c83527aee32780ced 100644
--- a/homeassistant/components/sensor/daikin.py
+++ b/homeassistant/components/sensor/daikin.py
@@ -57,7 +57,8 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class DaikinClimateSensor(Entity):
"""Representation of a Sensor."""
- def __init__(self, api, monitored_state, units: UnitSystem, name=None):
+ def __init__(self, api, monitored_state, units: UnitSystem,
+ name=None) -> None:
"""Initialize the sensor."""
self._api = api
self._sensor = SENSOR_TYPES.get(monitored_state)
diff --git a/homeassistant/components/sensor/ihc.py b/homeassistant/components/sensor/ihc.py
index 3ad86e51f9730be75a84ebf5901626a67021e8f0..b6440a407a44a9cf84bc23a65331bd32bcca66ab 100644
--- a/homeassistant/components/sensor/ihc.py
+++ b/homeassistant/components/sensor/ihc.py
@@ -62,7 +62,7 @@ class IHCSensor(IHCDevice, Entity):
"""Implementation of the IHC sensor."""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
- unit, product: Element=None):
+ unit, product: Element=None) -> None:
"""Initialize the IHC sensor."""
super().__init__(ihc_controller, name, ihc_id, info, product)
self._state = None
diff --git a/homeassistant/components/switch/hdmi_cec.py b/homeassistant/components/switch/hdmi_cec.py
index a100b582e642af24e8c9e8d2917c51ab8e03abf3..65a7a762c0f9d094323647cf1d9d4e4b9a496a48 100644
--- a/homeassistant/components/switch/hdmi_cec.py
+++ b/homeassistant/components/switch/hdmi_cec.py
@@ -30,7 +30,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class CecSwitchDevice(CecDevice, SwitchDevice):
"""Representation of a HDMI device as a Switch."""
- def __init__(self, hass: HomeAssistant, device, logical):
+ def __init__(self, hass: HomeAssistant, device, logical) -> None:
"""Initialize the HDMI device."""
CecDevice.__init__(self, hass, device, logical)
self.entity_id = "%s.%s_%s" % (
diff --git a/homeassistant/components/switch/ihc.py b/homeassistant/components/switch/ihc.py
index 4bab1378acd16c77efdd9953c029f8105a65c602..eab88035c73313580eb62146c8c2901759c5a263 100644
--- a/homeassistant/components/switch/ihc.py
+++ b/homeassistant/components/switch/ihc.py
@@ -53,7 +53,7 @@ class IHCSwitch(IHCDevice, SwitchDevice):
"""IHC Switch."""
def __init__(self, ihc_controller, name: str, ihc_id: int,
- info: bool, product: Element=None):
+ info: bool, product: Element=None) -> None:
"""Initialize the IHC switch."""
super().__init__(ihc_controller, name, ihc_id, product)
self._state = False
diff --git a/homeassistant/loader.py b/homeassistant/loader.py
index 4b9eec3d540699a0faed2397d50479f1876845b1..a3ce2a13f560fdd916831ff6b789849c2584a68a 100644
--- a/homeassistant/loader.py
+++ b/homeassistant/loader.py
@@ -19,7 +19,7 @@ import sys
from types import ModuleType
# pylint: disable=unused-import
-from typing import Dict, Optional, Sequence, Set # NOQA
+from typing import Dict, List, Optional, Sequence, Set # NOQA
from homeassistant.const import PLATFORM_FORMAT
from homeassistant.util import OrderedSet
diff --git a/homeassistant/util/dt.py b/homeassistant/util/dt.py
index 5e8b3382fb1e2c841d159bb0b2d71c9d203bba23..c3400bac9be773f864c436fd87d50b875de61d49 100644
--- a/homeassistant/util/dt.py
+++ b/homeassistant/util/dt.py
@@ -3,7 +3,7 @@ import datetime as dt
import re
# pylint: disable=unused-import
-from typing import Any, Union, Optional, Tuple # NOQA
+from typing import Any, Dict, Union, Optional, Tuple # NOQA
import pytz
diff --git a/homeassistant/util/unit_system.py b/homeassistant/util/unit_system.py
index 31b76365da4f015baaa986c9dc2ebc7945f7d4cc..ecef1087747079109c557be8dfc00a3f2b7a07f7 100644
--- a/homeassistant/util/unit_system.py
+++ b/homeassistant/util/unit_system.py
@@ -105,7 +105,7 @@ class UnitSystem(object):
raise TypeError('{} is not a numeric value.'.format(str(length)))
return distance_util.convert(length, from_unit,
- self.length_unit) # type: float
+ self.length_unit)
def as_dict(self) -> dict:
"""Convert the unit system to a dictionary."""