diff --git a/Adafruit_Video_Looper/omxplayer.py b/Adafruit_Video_Looper/omxplayer.py
index d6e16a3..83ea9a5 100644
--- a/Adafruit_Video_Looper/omxplayer.py
+++ b/Adafruit_Video_Looper/omxplayer.py
@@ -34,8 +34,8 @@ class OMXPlayer(object):
         args = ['omxplayer']
         args.extend(['-o', self._sound])  # Add sound arguments.
         args.extend(self._extra_args)     # Add extra arguments from config.
-	if vol is not 0:
-	    args.extend(['--vol', str(vol)])
+        if vol is not 0:
+            args.extend(['--vol', str(vol)])
         if loop:
             args.append('--loop')         # Add loop parameter if necessary.
         args.append(movie)                # Add movie file path.
diff --git a/Adafruit_Video_Looper/video_looper.py b/Adafruit_Video_Looper/video_looper.py
index 45a4d42..966fb62 100644
--- a/Adafruit_Video_Looper/video_looper.py
+++ b/Adafruit_Video_Looper/video_looper.py
@@ -62,10 +62,10 @@ class VideoLooper(object):
                                              .translate(None, ',') \
                                              .split())
         # Load sound volume file name value
-	self._sound_vol_file = self._config.get('omxplayer', 'sound_vol_file');
-	# default value to 0 millibels (omxplayer)
+        self._sound_vol_file = self._config.get('omxplayer', 'sound_vol_file');
+        # default value to 0 millibels (omxplayer)
         self._sound_vol = 0
-	# Initialize pygame and display a blank screen.
+        # Initialize pygame and display a blank screen.
         pygame.display.init()
         pygame.font.init()
         pygame.mouse.set_visible(False)
@@ -96,11 +96,11 @@ class VideoLooper(object):
             .create_file_reader(self._config)
 
     def _is_number(iself, s):
-	try:
-		float(s) 
-		return True
-	except ValueError:
-		return False
+        try:
+            float(s) 
+            return True
+        except ValueError:
+            return False
     
     def _build_playlist(self):
         """Search all the file reader paths for movie files with the provided
@@ -115,23 +115,22 @@ class VideoLooper(object):
                 # Skip paths that don't exist or are files.
                 if not os.path.exists(path) or not os.path.isdir(path):
                     continue
-		# Ignore hidden files (useful when file loaded on usb
-		# key from an OSX computer
+                # Ignore hidden files (useful when file loaded on usb
+                # key from an OSX computer
                 movies.extend(['{0}/{1}'.format(path.rstrip('/'), x) \
                                for x in os.listdir(path) \
                                if re.search('\.{0}$'.format(ex), x, 
                                             flags=re.IGNORECASE) and \
-				x[0] is not '.'])
-		# Get the video volume from the file in the usb key
-		sound_vol_file_path = '{0}/{1}'.format(path.rstrip('/'), self._sound_vol_file)
-		if os.path.exists(sound_vol_file_path):
-			sound_file = open(sound_vol_file_path, 'r')
-			sound_vol_string = sound_file.readline()
-			if self._is_number(sound_vol_string):
-				self._sound_vol = int(float(sound_vol_string))
+                               x[0] is not '.'])
+                # Get the video volume from the file in the usb key
+                sound_vol_file_path = '{0}/{1}'.format(path.rstrip('/'), self._sound_vol_file)
+                if os.path.exists(sound_vol_file_path):
+                    with open(sound_vol_file_path, 'r') as sound_file:
+                        sound_vol_string = sound_file.readline()
+                        if self._is_number(sound_vol_string):
+                            self._sound_vol = int(float(sound_vol_string))
         # Create a playlist with the sorted list of movies.
         return Playlist(sorted(movies))
-   
 
     def _blank_screen(self):
         """Render a blank screen filled with the background color."""