diff --git a/.travis.yml b/.travis.yml
index 325f4bb..2657199 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,3 +21,10 @@ script:
 after_success:
   - "if [ $TOX_ENV == 'py27' ]; then pip install coveralls; coveralls; fi"
 
+notifications:
+  email:
+    recipients:
+      - 9and3r@gmail.com
+    on_success: change
+    on_failure: change
+
diff --git a/mopidy_touchscreen/gpio_inpput_manager.py b/mopidy_touchscreen/gpio_inpput_manager.py
index d83a456..0423828 100644
--- a/mopidy_touchscreen/gpio_inpput_manager.py
+++ b/mopidy_touchscreen/gpio_inpput_manager.py
@@ -1,34 +1,40 @@
-import RPi.GPIO as GPIO
 import logging
 import pygame
 
+import RPi.GPIO as GPIO
+
+
 logger = logging.getLogger(__name__)
 
 
 class GPIOManager():
-
     def __init__(self, pins):
         GPIO.setmode(GPIO.BCM)
 
         # Left Button
-        GPIO.setup(pins['left'], GPIO.IN, pull_up_down = GPIO.PUD_UP)
-        GPIO.add_event_detect(pins['left'], GPIO.BOTH, callback=left, bouncetime=30)
+        GPIO.setup(pins['left'], GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.add_event_detect(pins['left'], GPIO.BOTH, callback=left,
+                              bouncetime=30)
 
-         # Right Button
-        GPIO.setup(pins['right'], GPIO.IN, pull_up_down = GPIO.PUD_UP)
-        GPIO.add_event_detect(pins['right'], GPIO.BOTH, callback=right, bouncetime=30)
+        # Right Button
+        GPIO.setup(pins['right'], GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.add_event_detect(pins['right'], GPIO.BOTH, callback=right,
+                              bouncetime=30)
 
-         # Up Button
-        GPIO.setup(pins['up'], GPIO.IN, pull_up_down = GPIO.PUD_UP)
-        GPIO.add_event_detect(pins['up'], GPIO.BOTH, callback=up, bouncetime=30)
+        # Up Button
+        GPIO.setup(pins['up'], GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.add_event_detect(pins['up'], GPIO.BOTH, callback=up,
+                              bouncetime=30)
 
-         # Down Button
-        GPIO.setup(pins['down'], GPIO.IN, pull_up_down = GPIO.PUD_UP)
-        GPIO.add_event_detect(pins['down'], GPIO.BOTH, callback=right, bouncetime=30)
+        # Down Button
+        GPIO.setup(pins['down'], GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.add_event_detect(pins['down'], GPIO.BOTH, callback=right,
+                              bouncetime=30)
 
-         # Enter Button
-        GPIO.setup(pins['enter'], GPIO.IN, pull_up_down = GPIO.PUD_UP)
-        GPIO.add_event_detect(pins['enter'], GPIO.BOTH, callback=right, bouncetime=30)
+        # Enter Button
+        GPIO.setup(pins['enter'], GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.add_event_detect(pins['enter'], GPIO.BOTH, callback=right,
+                              bouncetime=30)
 
 
 def right(channel):