Update docstrings (#7361)

* Update docstrings

* Update docstrings

* Update docstrings

* Update docstrings

* update docstrings

* Update docstrings

* Update docstrings

* Update docstrings

* Update docstrings

* Update docstrings

* Update tomato.py

* Update isy994.py

* Lint + fix tests

* Lint

homeassistant/components/camera/ffmpeg.py

@@ -16,10 +16,10 @@ from homeassistant.components.ffmpeg import (
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.aiohttp_client import (
     async_aiohttp_proxy_stream)
-DEPENDENCIES = ['ffmpeg']
 
 _LOGGER = logging.getLogger(__name__)
 
+DEPENDENCIES = ['ffmpeg']
 DEFAULT_NAME = 'FFmpeg'
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
@@ -31,7 +31,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
 
 @asyncio.coroutine
 def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
-    """Setup a FFmpeg Camera."""
+    """Set up a FFmpeg camera."""
     if not hass.data[DATA_FFMPEG].async_run_test(config.get(CONF_INPUT)):
         return
     async_add_devices([FFmpegCamera(hass, config)])