Maintenance 2nd (#4106)

* Add link to docs

* Fix link

* Update line breaks

* Update ordering

* Align vera platofrm to only use add_devices
(instead od add_devices_callback)

* Remove line break

* Use consts

* Update ordering

* Update ordering

* Use const, create default name, use string formatting

* Update ordering

* Use const

* Update import style

* Update ordering and line breaks

* update line breaks

* Set default port

* Set defaults and update ordering

* Update ordering

* Minor style updates

* Update ordering, defaults, line breaks, and readability

* Use constants

* Add line breaks

* use string formatting

* Update line breaks

* Update logger

homeassistant/components/sensor/plex.py

@@ -23,6 +23,7 @@ CONF_SERVER = 'server'
 
 DEFAULT_HOST = 'localhost'
 DEFAULT_NAME = 'Plex'
+DEFAULT_PORT = 32400
 
 MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=1)
 
@@ -30,7 +31,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
     vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
     vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
     vol.Optional(CONF_PASSWORD): cv.string,
-    vol.Optional(CONF_PORT, default=32400): cv.port,
+    vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
     vol.Optional(CONF_SERVER): cv.string,
     vol.Optional(CONF_USERNAME): cv.string,
 })