From 0a3241ac304ecdd6854441af87515eb007e81e70 Mon Sep 17 00:00:00 2001
From: Pandada8 <pandada8@gmail.com>
Date: Thu, 7 May 2015 10:58:28 +0800
Subject: [PATCH] pep8 and docs

---
 i3pystatus/backlight.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/i3pystatus/backlight.py b/i3pystatus/backlight.py
index d6077a3..6261cf1 100644
--- a/i3pystatus/backlight.py
+++ b/i3pystatus/backlight.py
@@ -8,6 +8,8 @@ class Backlight(File):
     """
     Screen backlight info
 
+    - Reuqire `xbacklight` installed to change the backlight through the scollwheel.
+
     .. rubric:: Available formatters
 
     * `{brightness}` — current brightness relative to max_brightness
@@ -35,15 +37,16 @@ class Backlight(File):
     }
     on_upscroll = "lighter"
     on_downscroll = "darker"
+
     def init(self):
         self.base_path = self.base_path.format(backlight=self.backlight)
         self.has_xbacklight = shutil.which("xbacklight") is not None
-        super(Backlight, self).init()
+        super().init()
 
     def lighter(self):
         if self.has_xbacklight:
-            subprocess.Popen(["xbacklight", '+5'])
+            subprocess.Popen(["xbacklight", "+5"])
 
     def darker(self):
         if self.has_xbacklight:
-            subprocess.Popen(["xbacklight", '-5'])
+            subprocess.Popen(["xbacklight", "-5"])