diff --git a/feedgen/__main__.py b/feedgen/__main__.py
index 2cf1346..abc0737 100644
--- a/feedgen/__main__.py
+++ b/feedgen/__main__.py
@@ -8,9 +8,10 @@
     :license: FreeBSD and LGPL, see license.* for more details.
 '''
 
-from feedgen.feed import FeedGenerator
 import sys
 
+from feedgen.feed import FeedGenerator
+
 
 USAGE = '''
 Usage: python -m feedgen [OPTION]
diff --git a/feedgen/compat.py b/feedgen/compat.py
index 80b6cd6..e9044b0 100644
--- a/feedgen/compat.py
+++ b/feedgen/compat.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import sys
+
 if sys.version_info[0] >= 3:
     string_types = str
 else:
diff --git a/feedgen/entry.py b/feedgen/entry.py
index d773e17..f65dafa 100644
--- a/feedgen/entry.py
+++ b/feedgen/entry.py
@@ -8,12 +8,14 @@
     :license: FreeBSD and LGPL, see license.* for more details.
 '''
 
-from lxml import etree
 from datetime import datetime
+
 import dateutil.parser
 import dateutil.tz
-from feedgen.util import ensure_format, formatRFC2822
+from lxml import etree
+
 from feedgen.compat import string_types
+from feedgen.util import ensure_format, formatRFC2822
 
 
 class FeedEntry(object):
diff --git a/feedgen/ext/dc.py b/feedgen/ext/dc.py
index 184a29f..21a5244 100644
--- a/feedgen/ext/dc.py
+++ b/feedgen/ext/dc.py
@@ -14,6 +14,7 @@
 '''
 
 from lxml import etree
+
 from feedgen.ext.base import BaseExtension
 
 
diff --git a/feedgen/ext/media.py b/feedgen/ext/media.py
index 0bd5845..25d561a 100644
--- a/feedgen/ext/media.py
+++ b/feedgen/ext/media.py
@@ -11,8 +11,9 @@
 '''
 
 from lxml import etree
+
+from feedgen.ext.base import BaseEntryExtension, BaseExtension
 from feedgen.util import ensure_format
-from feedgen.ext.base import BaseExtension, BaseEntryExtension
 
 MEDIA_NS = 'http://search.yahoo.com/mrss/'
 
diff --git a/feedgen/ext/podcast.py b/feedgen/ext/podcast.py
index e2bb3e5..a8af118 100644
--- a/feedgen/ext/podcast.py
+++ b/feedgen/ext/podcast.py
@@ -11,9 +11,10 @@
 '''
 
 from lxml import etree
+
+from feedgen.compat import string_types
 from feedgen.ext.base import BaseExtension
 from feedgen.util import ensure_format
-from feedgen.compat import string_types
 
 
 class PodcastExtension(BaseExtension):
diff --git a/feedgen/ext/podcast_entry.py b/feedgen/ext/podcast_entry.py
index 3f3a7d9..4fa6128 100644
--- a/feedgen/ext/podcast_entry.py
+++ b/feedgen/ext/podcast_entry.py
@@ -11,6 +11,7 @@
 '''
 
 from lxml import etree
+
 from feedgen.ext.base import BaseEntryExtension
 
 
diff --git a/feedgen/ext/syndication.py b/feedgen/ext/syndication.py
index 3b17e0c..0141369 100644
--- a/feedgen/ext/syndication.py
+++ b/feedgen/ext/syndication.py
@@ -11,6 +11,7 @@ http://web.resource.org/rss/1.0/modules/syndication/
 '''
 
 from lxml import etree
+
 from feedgen.ext.base import BaseExtension
 
 SYNDICATION_NS = 'http://purl.org/rss/1.0/modules/syndication/'
diff --git a/feedgen/ext/torrent.py b/feedgen/ext/torrent.py
index a2eb49c..6f8b5f3 100644
--- a/feedgen/ext/torrent.py
+++ b/feedgen/ext/torrent.py
@@ -11,7 +11,8 @@
 '''
 
 from lxml import etree
-from feedgen.ext.base import BaseExtension, BaseEntryExtension
+
+from feedgen.ext.base import BaseEntryExtension, BaseExtension
 
 TORRENT_NS = 'http://xmlns.ezrss.it/0.1/dtd/'
 
diff --git a/feedgen/feed.py b/feedgen/feed.py
index 6bf55d9..5539fb7 100644
--- a/feedgen/feed.py
+++ b/feedgen/feed.py
@@ -9,16 +9,17 @@
 
 '''
 
-from lxml import etree
+import sys
 from datetime import datetime
+
 import dateutil.parser
 import dateutil.tz
+from lxml import etree
+
+import feedgen.version
+from feedgen.compat import string_types
 from feedgen.entry import FeedEntry
 from feedgen.util import ensure_format, formatRFC2822
-import feedgen.version
-import sys
-from feedgen.compat import string_types
-
 
 _feedgen_version = feedgen.version.version_str
 
diff --git a/setup.py b/setup.py
index 2bfafc2..1549284 100755
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 from setuptools import setup
+
 import feedgen.version
 
 packages = ['feedgen', 'feedgen/ext']
diff --git a/tests/test_entry.py b/tests/test_entry.py
index bb2d699..173eabf 100644
--- a/tests/test_entry.py
+++ b/tests/test_entry.py
@@ -7,6 +7,7 @@ These are test cases for a basic entry.
 """
 
 import unittest
+
 from feedgen.feed import FeedGenerator
 
 
diff --git a/tests/test_extension.py b/tests/test_extension.py
index bc4d335..59ef349 100644
--- a/tests/test_extension.py
+++ b/tests/test_extension.py
@@ -5,9 +5,11 @@ Tests for extensions
 """
 
 import unittest
-from feedgen.feed import FeedGenerator
+
 from lxml import etree
 
+from feedgen.feed import FeedGenerator
+
 
 class TestExtensionSyndication(unittest.TestCase):
 
diff --git a/tests/test_feed.py b/tests/test_feed.py
index ffd8e4b..fcdbd4a 100644
--- a/tests/test_feed.py
+++ b/tests/test_feed.py
@@ -10,9 +10,11 @@ A basic feed does not contain entries so far.
 import os
 import tempfile
 import unittest
+
 from lxml import etree
+
+from feedgen.ext.dc import DcEntryExtension, DcExtension
 from feedgen.feed import FeedGenerator
-from feedgen.ext.dc import DcExtension, DcEntryExtension
 
 
 class TestSequenceFunctions(unittest.TestCase):
diff --git a/tests/test_main.py b/tests/test_main.py
index a6c6b88..7985289 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -8,6 +8,7 @@ import os
 import sys
 import tempfile
 import unittest
+
 from feedgen import __main__