diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 1e94d8ac66..42cbcf6994 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -331,7 +331,7 @@ class YoutubeDL(object):
 
     def __exit__(self, *args):
         self.restore_console_title()
-    
+
         if self.params.get('cookiefile') is not None:
             self.cookiejar.save()
 
@@ -710,10 +710,10 @@ class YoutubeDL(object):
 
         # TODO Central sorting goes here
 
-        if formats[0] is not info_dict: 
+        if formats[0] is not info_dict:
             # only set the 'formats' fields if the original info_dict list them
             # otherwise we end up with a circular reference, the first (and unique)
-            # element in the 'formats' field in info_dict is info_dict itself, 
+            # element in the 'formats' field in info_dict is info_dict itself,
             # wich can't be exported to json
             info_dict['formats'] = formats
         if self.params.get('listformats', None):
diff --git a/youtube_dl/downloader/__init__.py b/youtube_dl/downloader/__init__.py
index f19b490f18..0d9eb0001e 100644
--- a/youtube_dl/downloader/__init__.py
+++ b/youtube_dl/downloader/__init__.py
@@ -8,6 +8,7 @@ from ..utils import (
     determine_ext,
 )
 
+
 def get_suitable_downloader(info_dict):
     """Get the downloader class that can handle the info dict."""
     url = info_dict['url']
@@ -20,4 +21,3 @@ def get_suitable_downloader(info_dict):
         return MplayerFD
     else:
         return HttpFD
-
diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py
index 10143d56a2..5a068aa8b8 100644
--- a/youtube_dl/downloader/common.py
+++ b/youtube_dl/downloader/common.py
@@ -314,4 +314,3 @@ class FileDownloader(object):
         if the download is successful.
         """
         self._progress_hooks.append(ph)
-
diff --git a/youtube_dl/downloader/http.py b/youtube_dl/downloader/http.py
index 8407727ba4..748f9f3adf 100644
--- a/youtube_dl/downloader/http.py
+++ b/youtube_dl/downloader/http.py
@@ -27,7 +27,7 @@ class HttpFD(FileDownloader):
         request = compat_urllib_request.Request(url, None, headers)
 
         if self.params.get('test', False):
-            request.add_header('Range','bytes=0-10240')
+            request.add_header('Range', 'bytes=0-10240')
 
         # Establish possible resume length
         if os.path.isfile(encodeFilename(tmpfilename)):
@@ -39,7 +39,7 @@ class HttpFD(FileDownloader):
         if resume_len != 0:
             if self.params.get('continuedl', False):
                 self.report_resuming_byte(resume_len)
-                request.add_header('Range','bytes=%d-' % resume_len)
+                request.add_header('Range', 'bytes=%d-' % resume_len)
                 open_mode = 'ab'
             else:
                 resume_len = 0
@@ -100,7 +100,7 @@ class HttpFD(FileDownloader):
         if data_len is not None:
             data_len = int(data_len) + resume_len
             min_data_len = self.params.get("min_filesize", None)
-            max_data_len =  self.params.get("max_filesize", None)
+            max_data_len = self.params.get("max_filesize", None)
             if min_data_len is not None and data_len < min_data_len:
                 self.to_screen(u'\r[download] File is smaller than min-filesize (%s bytes < %s bytes). Aborting.' % (data_len, min_data_len))
                 return False
diff --git a/youtube_dl/downloader/mplayer.py b/youtube_dl/downloader/mplayer.py
index 67e0e41899..4de7f15f4e 100644
--- a/youtube_dl/downloader/mplayer.py
+++ b/youtube_dl/downloader/mplayer.py
@@ -18,10 +18,10 @@ class MplayerFD(FileDownloader):
         try:
             subprocess.call(['mplayer', '-h'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
         except (OSError, IOError):
-            self.report_error(u'MMS or RTSP download detected but "%s" could not be run' % args[0] )
+            self.report_error(u'MMS or RTSP download detected but "%s" could not be run' % args[0])
             return False
 
-        # Download using mplayer. 
+        # Download using mplayer.
         retval = subprocess.call(args)
         if retval == 0:
             fsize = os.path.getsize(encodeFilename(tmpfilename))