diff --git a/netlib/basetypes.py b/netlib/basetypes.py
index d03246ff1..9d6c60ba1 100644
--- a/netlib/basetypes.py
+++ b/netlib/basetypes.py
@@ -1,6 +1,7 @@
 import six
 import abc
 
+
 @six.add_metaclass(abc.ABCMeta)
 class Serializable(object):
     """
diff --git a/netlib/http/headers.py b/netlib/http/headers.py
index 8f669ec17..fa7b71808 100644
--- a/netlib/http/headers.py
+++ b/netlib/http/headers.py
@@ -176,7 +176,7 @@ class Headers(MultiDict):
         self.fields = fields
         return replacements
 
-        
+
 def parse_content_type(c):
     """
         A simple parser for content-type values. Returns a (type, subtype,
diff --git a/netlib/http/url.py b/netlib/http/url.py
index 147ed5725..8ce28578b 100644
--- a/netlib/http/url.py
+++ b/netlib/http/url.py
@@ -3,6 +3,7 @@ from six.moves import urllib
 
 from .. import utils
 
+
 # PY2 workaround
 def decode_parse_result(result, enc):
     if hasattr(result, "decode"):
diff --git a/netlib/human.py b/netlib/human.py
index 9eccd35b5..a007adc78 100644
--- a/netlib/human.py
+++ b/netlib/human.py
@@ -19,7 +19,7 @@ def pretty_size(size):
             if x == int(x):
                 x = int(x)
             return str(x) + suf
-    return "%s%s"%(size, SIZE_TABLE[0][0])
+    return "%s%s" % (size, SIZE_TABLE[0][0])
 
 
 def parse_size(s):
diff --git a/netlib/utils.py b/netlib/utils.py
index 6be1c17f3..b8408d1d0 100644
--- a/netlib/utils.py
+++ b/netlib/utils.py
@@ -8,6 +8,7 @@ import inspect
 
 import six
 
+
 def always_bytes(unicode_or_bytes, *encode_args):
     if isinstance(unicode_or_bytes, six.text_type):
         return unicode_or_bytes.encode(*encode_args)
diff --git a/test/netlib/http/test_multipart.py b/test/netlib/http/test_multipart.py
index 45ae996b6..1d7e00620 100644
--- a/test/netlib/http/test_multipart.py
+++ b/test/netlib/http/test_multipart.py
@@ -1,6 +1,7 @@
 from netlib.http import Headers
 from netlib.http import multipart
 
+
 def test_decode():
     boundary = 'somefancyboundary'
     headers = Headers(
diff --git a/test/netlib/http/test_url.py b/test/netlib/http/test_url.py
index 697c83a81..26b37230e 100644
--- a/test/netlib/http/test_url.py
+++ b/test/netlib/http/test_url.py
@@ -1,6 +1,7 @@
 from netlib import tutils
 from netlib.http import url
 
+
 def test_parse():
     with tutils.raises(ValueError):
         url.parse("")
diff --git a/test/netlib/test_basetypes.py b/test/netlib/test_basetypes.py
index 2a7eea818..aa4157849 100644
--- a/test/netlib/test_basetypes.py
+++ b/test/netlib/test_basetypes.py
@@ -1,5 +1,6 @@
 from netlib import basetypes
 
+
 class SerializableDummy(basetypes.Serializable):
     def __init__(self, i):
         self.i = i
diff --git a/test/netlib/test_human.py b/test/netlib/test_human.py
index 464d46468..2a5c2a854 100644
--- a/test/netlib/test_human.py
+++ b/test/netlib/test_human.py
@@ -1,5 +1,6 @@
 from netlib import human, tutils
 
+
 def test_parse_size():
     assert human.parse_size("0") == 0
     assert human.parse_size("0b") == 0