diff --git a/homeassistant/components/water_heater/demo.py b/homeassistant/components/water_heater/demo.py
index a0220927f16..b551993aca5 100644
--- a/homeassistant/components/water_heater/demo.py
+++ b/homeassistant/components/water_heater/demo.py
@@ -1,4 +1,4 @@
-"""Demo platform that offers a fake water_heater device."""
+"""Demo platform that offers a fake water heater device."""
 from homeassistant.components.water_heater import (
     WaterHeaterDevice,
     SUPPORT_TARGET_TEMPERATURE,
diff --git a/homeassistant/components/weather/__init__.py b/homeassistant/components/weather/__init__.py
index d479725657b..34cd86347f2 100644
--- a/homeassistant/components/weather/__init__.py
+++ b/homeassistant/components/weather/__init__.py
@@ -1,18 +1,13 @@
-"""
-Weather component that handles meteorological data for your location.
-
-For more details about this component, please refer to the documentation at
-https://home-assistant.io/components/weather/
-"""
+"""Weather component that handles meteorological data for your location."""
 from datetime import timedelta
 import logging
 
-from homeassistant.helpers.entity_component import EntityComponent
-from homeassistant.helpers.temperature import display_temp as show_temp
-from homeassistant.const import PRECISION_WHOLE, PRECISION_TENTHS, TEMP_CELSIUS
+from homeassistant.const import PRECISION_TENTHS, PRECISION_WHOLE, TEMP_CELSIUS
 from homeassistant.helpers.config_validation import (  # noqa
     PLATFORM_SCHEMA, PLATFORM_SCHEMA_BASE)
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.entity_component import EntityComponent
+from homeassistant.helpers.temperature import display_temp as show_temp
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/weather/bom.py b/homeassistant/components/weather/bom.py
index 1ed54496c6f..b05d5fc594d 100644
--- a/homeassistant/components/weather/bom.py
+++ b/homeassistant/components/weather/bom.py
@@ -1,20 +1,15 @@
-"""
-Support for Australian BOM (Bureau of Meteorology) weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.bom/
-"""
+"""Support for Australian BOM (Bureau of Meteorology) weather service."""
 import logging
 
 import voluptuous as vol
 
-from homeassistant.components.weather import WeatherEntity, PLATFORM_SCHEMA
-from homeassistant.const import \
-    CONF_NAME, TEMP_CELSIUS, CONF_LATITUDE, CONF_LONGITUDE
-from homeassistant.helpers import config_validation as cv
 # Reuse data and API logic from the sensor implementation
-from homeassistant.components.sensor.bom import \
-    BOMCurrentData, closest_station, CONF_STATION, validate_station
+from homeassistant.components.sensor.bom import (
+    CONF_STATION, BOMCurrentData, closest_station, validate_station)
+from homeassistant.components.weather import PLATFORM_SCHEMA, WeatherEntity
+from homeassistant.const import (
+    CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, TEMP_CELSIUS)
+from homeassistant.helpers import config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/weather/buienradar.py b/homeassistant/components/weather/buienradar.py
index 1ec3fc513e9..31f51824146 100644
--- a/homeassistant/components/weather/buienradar.py
+++ b/homeassistant/components/weather/buienradar.py
@@ -1,22 +1,16 @@
-"""
-Support for Buienradar.nl weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.buienradar/
-"""
+"""Support for Buienradar.nl weather service."""
 import logging
 
 import voluptuous as vol
 
-from homeassistant.components.weather import (
-    WeatherEntity, PLATFORM_SCHEMA, ATTR_FORECAST_CONDITION,
-    ATTR_FORECAST_TEMP, ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME)
-from homeassistant.const import \
-    CONF_NAME, TEMP_CELSIUS, CONF_LATITUDE, CONF_LONGITUDE
-from homeassistant.helpers import config_validation as cv
 # Reuse data and API logic from the sensor implementation
-from homeassistant.components.sensor.buienradar import (
-    BrData)
+from homeassistant.components.sensor.buienradar import BrData
+from homeassistant.components.weather import (
+    ATTR_FORECAST_CONDITION, ATTR_FORECAST_TEMP, ATTR_FORECAST_TEMP_LOW,
+    ATTR_FORECAST_TIME, PLATFORM_SCHEMA, WeatherEntity)
+from homeassistant.const import (
+    CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, TEMP_CELSIUS)
+from homeassistant.helpers import config_validation as cv
 
 REQUIREMENTS = ['buienradar==0.91']
 
diff --git a/homeassistant/components/weather/darksky.py b/homeassistant/components/weather/darksky.py
index 4ac3d2a1d22..17e3cbbcf14 100644
--- a/homeassistant/components/weather/darksky.py
+++ b/homeassistant/components/weather/darksky.py
@@ -1,9 +1,4 @@
-"""
-Platform for retrieving meteorological data from Dark Sky.
-
-For more details about this platform, please refer to the documentation
-https://home-assistant.io/components/weather.darksky/
-"""
+"""Support for retrieving meteorological data from Dark Sky."""
 from datetime import datetime, timedelta
 import logging
 
@@ -12,13 +7,12 @@ from requests.exceptions import (
 import voluptuous as vol
 
 from homeassistant.components.weather import (
-    ATTR_FORECAST_TEMP, ATTR_FORECAST_TIME, ATTR_FORECAST_CONDITION,
-    ATTR_FORECAST_WIND_SPEED, ATTR_FORECAST_WIND_BEARING,
-    ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_PRECIPITATION,
-    PLATFORM_SCHEMA, WeatherEntity)
+    ATTR_FORECAST_CONDITION, ATTR_FORECAST_PRECIPITATION, ATTR_FORECAST_TEMP,
+    ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME, ATTR_FORECAST_WIND_BEARING,
+    ATTR_FORECAST_WIND_SPEED, PLATFORM_SCHEMA, WeatherEntity)
 from homeassistant.const import (
-    CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, TEMP_CELSIUS,
-    CONF_MODE, TEMP_FAHRENHEIT)
+    CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE, CONF_MODE, CONF_NAME,
+    TEMP_CELSIUS, TEMP_FAHRENHEIT)
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
 
diff --git a/homeassistant/components/weather/demo.py b/homeassistant/components/weather/demo.py
index 6bcb8918504..d20e91b1f93 100644
--- a/homeassistant/components/weather/demo.py
+++ b/homeassistant/components/weather/demo.py
@@ -1,15 +1,10 @@
-"""
-Demo platform that offers fake meteorological data.
-
-For more details about this platform, please refer to the documentation
-https://home-assistant.io/components/demo/
-"""
+"""Demo platform that offers fake meteorological data."""
 from datetime import datetime, timedelta
 
 from homeassistant.components.weather import (
-    WeatherEntity, ATTR_FORECAST_CONDITION, ATTR_FORECAST_PRECIPITATION,
-    ATTR_FORECAST_TEMP, ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME)
-from homeassistant.const import (TEMP_CELSIUS, TEMP_FAHRENHEIT)
+    ATTR_FORECAST_CONDITION, ATTR_FORECAST_PRECIPITATION, ATTR_FORECAST_TEMP,
+    ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME, WeatherEntity)
+from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT
 
 CONDITION_CLASSES = {
     'cloudy': [],
diff --git a/homeassistant/components/weather/met.py b/homeassistant/components/weather/met.py
index c905e6b6ce3..90978314a20 100644
--- a/homeassistant/components/weather/met.py
+++ b/homeassistant/components/weather/met.py
@@ -1,21 +1,16 @@
-"""
-Support for Met.no weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.met/
-"""
+"""Support for Met.no weather service."""
 import logging
 from random import randrange
 
 import voluptuous as vol
 
 from homeassistant.components.weather import PLATFORM_SCHEMA, WeatherEntity
-from homeassistant.const import (CONF_ELEVATION, CONF_LATITUDE, CONF_LONGITUDE,
-                                 CONF_NAME, TEMP_CELSIUS)
+from homeassistant.const import (
+    CONF_ELEVATION, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, TEMP_CELSIUS)
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
-from homeassistant.helpers.event import (async_track_utc_time_change,
-                                         async_call_later)
+from homeassistant.helpers.event import (
+    async_call_later, async_track_utc_time_change)
 import homeassistant.util.dt as dt_util
 
 REQUIREMENTS = ['pyMetno==0.4.5']
diff --git a/homeassistant/components/weather/meteo_france.py b/homeassistant/components/weather/meteo_france.py
index a9d11d198f6..cf8b2b497fb 100644
--- a/homeassistant/components/weather/meteo_france.py
+++ b/homeassistant/components/weather/meteo_france.py
@@ -1,19 +1,12 @@
-"""
-Support for Meteo france weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.meteo_france/
-"""
-import logging
+"""Support for Meteo france weather service."""
 from datetime import datetime, timedelta
+import logging
 
-from homeassistant.components.meteo_france import (DATA_METEO_FRANCE,
-                                                   CONDITION_CLASSES,
-                                                   CONF_CITY,
-                                                   ATTRIBUTION)
+from homeassistant.components.meteo_france import (
+    ATTRIBUTION, CONDITION_CLASSES, CONF_CITY, DATA_METEO_FRANCE)
 from homeassistant.components.weather import (
-    WeatherEntity, ATTR_FORECAST_CONDITION,
-    ATTR_FORECAST_TEMP, ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME)
+    ATTR_FORECAST_CONDITION, ATTR_FORECAST_TEMP, ATTR_FORECAST_TEMP_LOW,
+    ATTR_FORECAST_TIME, WeatherEntity)
 from homeassistant.const import TEMP_CELSIUS
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/homeassistant/components/weather/metoffice.py b/homeassistant/components/weather/metoffice.py
index 7382319e7a4..14738980482 100644
--- a/homeassistant/components/weather/metoffice.py
+++ b/homeassistant/components/weather/metoffice.py
@@ -1,9 +1,4 @@
-"""
-Support for UK Met Office weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.metoffice/
-"""
+"""Support for UK Met Office weather service."""
 import logging
 
 import voluptuous as vol
diff --git a/homeassistant/components/weather/openweathermap.py b/homeassistant/components/weather/openweathermap.py
index 2b86359361a..2100cf169b6 100644
--- a/homeassistant/components/weather/openweathermap.py
+++ b/homeassistant/components/weather/openweathermap.py
@@ -1,9 +1,4 @@
-"""
-Support for the OpenWeatherMap (OWM) service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.openweathermap/
-"""
+"""Support for the OpenWeatherMap (OWM) service."""
 from datetime import timedelta
 import logging
 
@@ -11,12 +6,11 @@ import voluptuous as vol
 
 from homeassistant.components.weather import (
     ATTR_FORECAST_CONDITION, ATTR_FORECAST_PRECIPITATION, ATTR_FORECAST_TEMP,
-    ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME, ATTR_FORECAST_WIND_SPEED,
-    ATTR_FORECAST_WIND_BEARING,
-    PLATFORM_SCHEMA, WeatherEntity)
+    ATTR_FORECAST_TEMP_LOW, ATTR_FORECAST_TIME, ATTR_FORECAST_WIND_BEARING,
+    ATTR_FORECAST_WIND_SPEED, PLATFORM_SCHEMA, WeatherEntity)
 from homeassistant.const import (
-    CONF_API_KEY, TEMP_CELSIUS, CONF_LATITUDE, CONF_LONGITUDE, CONF_MODE,
-    CONF_NAME, STATE_UNKNOWN)
+    CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE, CONF_MODE, CONF_NAME,
+    STATE_UNKNOWN, TEMP_CELSIUS)
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
 
diff --git a/homeassistant/components/weather/yweather.py b/homeassistant/components/weather/yweather.py
index 567b8e235a8..e4eb34a039a 100644
--- a/homeassistant/components/weather/yweather.py
+++ b/homeassistant/components/weather/yweather.py
@@ -1,9 +1,4 @@
-"""
-Support for the Yahoo! Weather service.
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.yweather/
-"""
+"""Support for the Yahoo! Weather service."""
 from datetime import timedelta
 import logging
 
diff --git a/homeassistant/components/weather/zamg.py b/homeassistant/components/weather/zamg.py
index f76b733ef0b..60707fa5e30 100644
--- a/homeassistant/components/weather/zamg.py
+++ b/homeassistant/components/weather/zamg.py
@@ -1,23 +1,18 @@
-"""
-Sensor for data from Austrian "Zentralanstalt für Meteorologie und Geodynamik".
-
-For more details about this platform, please refer to the documentation at
-https://home-assistant.io/components/weather.zamg/
-"""
+"""Sensor for data from Austrian Zentralanstalt für Meteorologie."""
 import logging
 
 import voluptuous as vol
 
-from homeassistant.components.weather import (
-    WeatherEntity, ATTR_WEATHER_HUMIDITY, ATTR_WEATHER_PRESSURE,
-    ATTR_WEATHER_TEMPERATURE, ATTR_WEATHER_WIND_BEARING,
-    ATTR_WEATHER_WIND_SPEED, PLATFORM_SCHEMA)
-from homeassistant.const import (
-    CONF_NAME, TEMP_CELSIUS, CONF_LATITUDE, CONF_LONGITUDE)
-from homeassistant.helpers import config_validation as cv
 # Reuse data and API logic from the sensor implementation
 from homeassistant.components.sensor.zamg import (
-    ATTRIBUTION, closest_station, CONF_STATION_ID, zamg_stations, ZamgData)
+    ATTRIBUTION, CONF_STATION_ID, ZamgData, closest_station, zamg_stations)
+from homeassistant.components.weather import (
+    ATTR_WEATHER_HUMIDITY, ATTR_WEATHER_PRESSURE, ATTR_WEATHER_TEMPERATURE,
+    ATTR_WEATHER_WIND_BEARING, ATTR_WEATHER_WIND_SPEED, PLATFORM_SCHEMA,
+    WeatherEntity)
+from homeassistant.const import (
+    CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, TEMP_CELSIUS)
+from homeassistant.helpers import config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)