4 files changed, 15 insertions, 12 deletions
diff --git a/django/http/cookie.py b/django/http/cookie.py
index 3bd9065d3a..a3dbd2a0b2 100644
--- a/django/http/cookie.py
+++ b/django/http/cookie.py
@@ -1,11 +1,11 @@
 from __future__ import unicode_literals
+
 import sys
 
-from django.utils.encoding import force_str
 from django.utils import six
+from django.utils.encoding import force_str
 from django.utils.six.moves import http_cookies
 
-
 # Some versions of Python 2.7 and later won't need this encoding bug fix:
 _cookie_encodes_correctly = http_cookies.SimpleCookie().value_encode(';') == (';', '"\\073"')
 # See ticket #13007, http://bugs.python.org/issue2193 and http://trac.edgewall.org/ticket/2256
diff --git a/django/http/multipartparser.py b/django/http/multipartparser.py
index e1de03f8b1..53e4149519 100644
--- a/django/http/multipartparser.py
+++ b/django/http/multipartparser.py
@@ -13,12 +13,14 @@ import sys
 
 from django.conf import settings
 from django.core.exceptions import SuspiciousMultipartForm
+from django.core.files.uploadhandler import (
+    SkipFile, StopFutureHandlers, StopUpload,
+)
+from django.utils import six
 from django.utils.datastructures import MultiValueDict
 from django.utils.encoding import force_text
-from django.utils import six
 from django.utils.six.moves.urllib.parse import unquote
 from django.utils.text import unescape_entities
-from django.core.files.uploadhandler import StopUpload, SkipFile, StopFutureHandlers
 
 __all__ = ('MultiPartParser', 'MultiPartParserError', 'InputStreamExhausted')
 
diff --git a/django/http/request.py b/django/http/request.py
index ea32574c68..398cf20dfb 100644
--- a/django/http/request.py
+++ b/django/http/request.py
@@ -14,12 +14,13 @@ from django.core.exceptions import DisallowedHost, ImproperlyConfigured
 from django.core.files import uploadhandler
 from django.http.multipartparser import MultiPartParser, MultiPartParserError
 from django.utils import six
-from django.utils.datastructures import MultiValueDict, ImmutableList
+from django.utils.datastructures import ImmutableList, MultiValueDict
 from django.utils.encoding import (
-    force_bytes, force_text, force_str, escape_uri_path, iri_to_uri,
+    escape_uri_path, force_bytes, force_str, force_text, iri_to_uri,
+)
+from django.utils.six.moves.urllib.parse import (
+    parse_qsl, quote, urlencode, urljoin, urlsplit,
 )
-from django.utils.six.moves.urllib.parse import parse_qsl, urlencode, quote, urljoin, urlsplit
-
 
 RAISE_ERROR = object()
 host_validation_re = re.compile(r"^([a-z0-9.-]+|\[[a-f0-9]*:[a-f0-9:]+\])(:\d+)?$")
diff --git a/django/http/response.py b/django/http/response.py
index 0386ec3a94..a317f96eb4 100644
--- a/django/http/response.py
+++ b/django/http/response.py
@@ -8,19 +8,19 @@ import time
 from email.header import Header
 
 from django.conf import settings
-from django.core import signals
-from django.core import signing
+from django.core import signals, signing
 from django.core.exceptions import DisallowedRedirect
 from django.core.serializers.json import DjangoJSONEncoder
 from django.http.cookie import SimpleCookie
 from django.utils import six, timezone
-from django.utils.encoding import force_bytes, force_text, force_str, iri_to_uri
+from django.utils.encoding import (
+    force_bytes, force_str, force_text, iri_to_uri,
+)
 from django.utils.http import cookie_date
 from django.utils.six.moves import map
 from django.utils.six.moves.http_client import responses
 from django.utils.six.moves.urllib.parse import urlparse
 
-
 _charset_from_content_type_re = re.compile(r';\s*charset=(?P<charset>[^\s;]+)', re.I)