From 6c7c8d9a604ee4b4018b5448a78ccc64474a410a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9my=20HUBSCHER?= <remy@chefclub.tv>
Date: Tue, 7 Jan 2020 15:18:54 +0100
Subject: [PATCH] Add isort support.

---
 Makefile                                    |  6 ++++-
 demo/demoproject/apache/tests.py            |  4 +--
 demo/demoproject/apache/urls.py             |  3 +--
 demo/demoproject/apache/views.py            |  1 -
 demo/demoproject/compat.py                  |  2 +-
 demo/demoproject/http/tests.py              |  3 +--
 demo/demoproject/http/urls.py               |  1 -
 demo/demoproject/lighttpd/tests.py          |  2 +-
 demo/demoproject/lighttpd/urls.py           |  1 -
 demo/demoproject/lighttpd/views.py          |  1 -
 demo/demoproject/nginx/tests.py             |  2 +-
 demo/demoproject/nginx/urls.py              |  1 -
 demo/demoproject/nginx/views.py             |  1 -
 demo/demoproject/object/tests.py            |  6 ++---
 demo/demoproject/object/urls.py             |  1 -
 demo/demoproject/object/views.py            |  4 +--
 demo/demoproject/path/tests.py              |  3 +--
 demo/demoproject/path/urls.py               |  1 -
 demo/demoproject/path/views.py              |  1 -
 demo/demoproject/settings.py                |  4 +--
 demo/demoproject/storage/storage.py         |  1 -
 demo/demoproject/storage/tests.py           | 11 ++++----
 demo/demoproject/storage/urls.py            |  1 -
 demo/demoproject/storage/views.py           |  1 -
 demo/demoproject/tests.py                   |  4 +--
 demo/demoproject/urls.py                    |  3 +--
 demo/demoproject/virtual/tests.py           |  3 +--
 demo/demoproject/virtual/urls.py            |  1 -
 demo/demoproject/virtual/views.py           |  7 ++---
 demo/demoproject/wsgi.py                    |  1 -
 demo/setup.py                               |  3 ---
 django_downloadview/__init__.py             |  5 +---
 django_downloadview/apache/__init__.py      |  2 +-
 django_downloadview/apache/decorators.py    |  2 +-
 django_downloadview/apache/middlewares.py   |  2 +-
 django_downloadview/api.py                  | 30 +++++++++------------
 django_downloadview/files.py                |  5 ++--
 django_downloadview/io.py                   |  4 +--
 django_downloadview/lighttpd/__init__.py    |  2 +-
 django_downloadview/lighttpd/middlewares.py |  2 +-
 django_downloadview/middlewares.py          |  9 +++----
 django_downloadview/nginx/__init__.py       |  2 +-
 django_downloadview/nginx/middlewares.py    |  2 +-
 django_downloadview/nginx/settings.py       |  1 -
 django_downloadview/response.py             |  2 +-
 django_downloadview/utils.py                |  1 -
 django_downloadview/views/__init__.py       |  6 ++---
 django_downloadview/views/base.py           |  2 +-
 tests/api.py                                |  4 +--
 tests/io.py                                 |  3 +--
 tests/packaging.py                          |  1 -
 tests/sendfile.py                           |  2 +-
 tests/views.py                              | 11 +++-----
 53 files changed, 69 insertions(+), 115 deletions(-)

diff --git a/Makefile b/Makefile
index 1d53049..4256491 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@
 PIP = pip
 TOX = tox
 BLACK = black
-
+ISORT = isort
 
 #: help - Display callable targets.
 .PHONY: help
@@ -101,3 +101,7 @@ release:
 .PHONY: black
 black:
 	$(BLACK) demo tests django_downloadview
+
+.PHONY: isort
+isort:
+	$(ISORT) -m 3 --line-width=99 --use-parentheses --trailing-comma --recursive django_downloadview tests demo
diff --git a/demo/demoproject/apache/tests.py b/demo/demoproject/apache/tests.py
index 2635f1a..8c0aef5 100644
--- a/demo/demoproject/apache/tests.py
+++ b/demo/demoproject/apache/tests.py
@@ -1,12 +1,12 @@
 import os
 
-from django.core.files.base import ContentFile
 import django.test
+from django.core.files.base import ContentFile
 
 from django_downloadview.apache import assert_x_sendfile
 
-from demoproject.compat import reverse
 from demoproject.apache.views import storage, storage_dir
+from demoproject.compat import reverse
 
 
 def setup_file():
diff --git a/demo/demoproject/apache/urls.py b/demo/demoproject/apache/urls.py
index 2c7b1c8..9ef207e 100644
--- a/demo/demoproject/apache/urls.py
+++ b/demo/demoproject/apache/urls.py
@@ -1,9 +1,8 @@
 """URL mapping."""
 from django.conf.urls import url
 
-from demoproject.compat import patterns
 from demoproject.apache import views
-
+from demoproject.compat import patterns
 
 urlpatterns = patterns(
     "demoproject.apache.views",
diff --git a/demo/demoproject/apache/views.py b/demo/demoproject/apache/views.py
index e5c0f20..a248e5e 100644
--- a/demo/demoproject/apache/views.py
+++ b/demo/demoproject/apache/views.py
@@ -6,7 +6,6 @@ from django.core.files.storage import FileSystemStorage
 from django_downloadview import StorageDownloadView
 from django_downloadview.apache import x_sendfile
 
-
 storage_dir = os.path.join(settings.MEDIA_ROOT, "apache")
 storage = FileSystemStorage(
     location=storage_dir, base_url="".join([settings.MEDIA_URL, "apache/"])
diff --git a/demo/demoproject/compat.py b/demo/demoproject/compat.py
index a95f5d1..d0e1c99 100644
--- a/demo/demoproject/compat.py
+++ b/demo/demoproject/compat.py
@@ -1,6 +1,6 @@
 from distutils.version import StrictVersion
-from django.utils.version import get_version
 
+from django.utils.version import get_version
 
 try:
     from django.conf.urls import patterns  # noqa
diff --git a/demo/demoproject/http/tests.py b/demo/demoproject/http/tests.py
index dcb0f4e..8feab26 100644
--- a/demo/demoproject/http/tests.py
+++ b/demo/demoproject/http/tests.py
@@ -1,8 +1,7 @@
 import django.test
 
-from django_downloadview import assert_download_response
-
 from demoproject.compat import reverse
+from django_downloadview import assert_download_response
 
 
 class SimpleURLTestCase(django.test.TestCase):
diff --git a/demo/demoproject/http/urls.py b/demo/demoproject/http/urls.py
index 7e7fe87..1994709 100644
--- a/demo/demoproject/http/urls.py
+++ b/demo/demoproject/http/urls.py
@@ -3,7 +3,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.http import views
 
-
 urlpatterns = patterns(
     "",
     url(r"^simple_url/$", views.simple_url, name="simple_url"),
diff --git a/demo/demoproject/lighttpd/tests.py b/demo/demoproject/lighttpd/tests.py
index 45b3f7c..c238856 100644
--- a/demo/demoproject/lighttpd/tests.py
+++ b/demo/demoproject/lighttpd/tests.py
@@ -1,7 +1,7 @@
 import os
 
-from django.core.files.base import ContentFile
 import django.test
+from django.core.files.base import ContentFile
 
 from django_downloadview.lighttpd import assert_x_sendfile
 
diff --git a/demo/demoproject/lighttpd/urls.py b/demo/demoproject/lighttpd/urls.py
index 72c6725..9f1a608 100644
--- a/demo/demoproject/lighttpd/urls.py
+++ b/demo/demoproject/lighttpd/urls.py
@@ -4,7 +4,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.lighttpd import views
 
-
 urlpatterns = patterns(
     "demoproject.lighttpd.views",
     url(
diff --git a/demo/demoproject/lighttpd/views.py b/demo/demoproject/lighttpd/views.py
index 61363e8..e57b56e 100644
--- a/demo/demoproject/lighttpd/views.py
+++ b/demo/demoproject/lighttpd/views.py
@@ -6,7 +6,6 @@ from django.core.files.storage import FileSystemStorage
 from django_downloadview import StorageDownloadView
 from django_downloadview.lighttpd import x_sendfile
 
-
 storage_dir = os.path.join(settings.MEDIA_ROOT, "lighttpd")
 storage = FileSystemStorage(
     location=storage_dir, base_url="".join([settings.MEDIA_URL, "lighttpd/"])
diff --git a/demo/demoproject/nginx/tests.py b/demo/demoproject/nginx/tests.py
index 582adb7..1e41cac 100644
--- a/demo/demoproject/nginx/tests.py
+++ b/demo/demoproject/nginx/tests.py
@@ -1,7 +1,7 @@
 import os
 
-from django.core.files.base import ContentFile
 import django.test
+from django.core.files.base import ContentFile
 
 from django_downloadview.nginx import assert_x_accel_redirect
 
diff --git a/demo/demoproject/nginx/urls.py b/demo/demoproject/nginx/urls.py
index 4f50bab..8583f6a 100644
--- a/demo/demoproject/nginx/urls.py
+++ b/demo/demoproject/nginx/urls.py
@@ -5,7 +5,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.nginx import views
 
-
 urlpatterns = patterns(
     "demoproject.nginx.views",
     url(
diff --git a/demo/demoproject/nginx/views.py b/demo/demoproject/nginx/views.py
index 73ff734..e8546cc 100644
--- a/demo/demoproject/nginx/views.py
+++ b/demo/demoproject/nginx/views.py
@@ -6,7 +6,6 @@ from django.core.files.storage import FileSystemStorage
 from django_downloadview import StorageDownloadView
 from django_downloadview.nginx import x_accel_redirect
 
-
 storage_dir = os.path.join(settings.MEDIA_ROOT, "nginx")
 storage = FileSystemStorage(
     location=storage_dir, base_url="".join([settings.MEDIA_URL, "nginx/"])
diff --git a/demo/demoproject/object/tests.py b/demo/demoproject/object/tests.py
index 8e32b1a..b964c92 100644
--- a/demo/demoproject/object/tests.py
+++ b/demo/demoproject/object/tests.py
@@ -1,11 +1,9 @@
-from django.core.files.base import ContentFile
 import django.test
-
-from django_downloadview import temporary_media_root, assert_download_response
+from django.core.files.base import ContentFile
 
 from demoproject.compat import reverse
 from demoproject.object.models import Document
-
+from django_downloadview import assert_download_response, temporary_media_root
 
 # Fixtures.
 slug = "hello-world"
diff --git a/demo/demoproject/object/urls.py b/demo/demoproject/object/urls.py
index f99b274..6e9b83f 100644
--- a/demo/demoproject/object/urls.py
+++ b/demo/demoproject/object/urls.py
@@ -3,7 +3,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.object import views
 
-
 urlpatterns = patterns(
     "",
     url(
diff --git a/demo/demoproject/object/views.py b/demo/demoproject/object/views.py
index ed8020e..5488122 100644
--- a/demo/demoproject/object/views.py
+++ b/demo/demoproject/object/views.py
@@ -1,7 +1,5 @@
-from django_downloadview import ObjectDownloadView
-
 from demoproject.object.models import Document
-
+from django_downloadview import ObjectDownloadView
 
 #: Serve ``file`` attribute of ``Document`` model.
 default_file_view = ObjectDownloadView.as_view(model=Document)
diff --git a/demo/demoproject/path/tests.py b/demo/demoproject/path/tests.py
index cf51231..039828d 100644
--- a/demo/demoproject/path/tests.py
+++ b/demo/demoproject/path/tests.py
@@ -1,8 +1,7 @@
 import django.test
 
-from django_downloadview import assert_download_response
-
 from demoproject.compat import reverse
+from django_downloadview import assert_download_response
 
 
 class StaticPathTestCase(django.test.TestCase):
diff --git a/demo/demoproject/path/urls.py b/demo/demoproject/path/urls.py
index a1812e2..63c1c43 100644
--- a/demo/demoproject/path/urls.py
+++ b/demo/demoproject/path/urls.py
@@ -3,7 +3,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.path import views
 
-
 urlpatterns = patterns(
     "",
     url(r"^static-path/$", views.static_path, name="static_path"),
diff --git a/demo/demoproject/path/views.py b/demo/demoproject/path/views.py
index c17975d..2af02e3 100644
--- a/demo/demoproject/path/views.py
+++ b/demo/demoproject/path/views.py
@@ -2,7 +2,6 @@ import os
 
 from django_downloadview import PathDownloadView
 
-
 # Let's initialize some fixtures.
 app_dir = os.path.dirname(os.path.abspath(__file__))
 project_dir = os.path.dirname(app_dir)
diff --git a/demo/demoproject/settings.py b/demo/demoproject/settings.py
index 18d1a5f..97f0501 100755
--- a/demo/demoproject/settings.py
+++ b/demo/demoproject/settings.py
@@ -1,8 +1,6 @@
-# -*- coding: utf-8 -*-
 """Django settings for django-downloadview demo project."""
-
-from distutils.version import StrictVersion
 import os
+from distutils.version import StrictVersion
 
 from django.utils.version import get_version
 
diff --git a/demo/demoproject/storage/storage.py b/demo/demoproject/storage/storage.py
index f685df2..cbbf48c 100644
--- a/demo/demoproject/storage/storage.py
+++ b/demo/demoproject/storage/storage.py
@@ -1,4 +1,3 @@
 from django.core.files.storage import FileSystemStorage
 
-
 storage = FileSystemStorage()
diff --git a/demo/demoproject/storage/tests.py b/demo/demoproject/storage/tests.py
index 46d8bb0..998e04f 100644
--- a/demo/demoproject/storage/tests.py
+++ b/demo/demoproject/storage/tests.py
@@ -1,16 +1,17 @@
 import datetime
 import unittest
 
+import django.test
 from django.core.files.base import ContentFile
 from django.http.response import HttpResponseNotModified
-import django.test
-
-from django_downloadview import assert_download_response, temporary_media_root
-from django_downloadview import setup_view
 
 from demoproject.compat import reverse
 from demoproject.storage import views
-
+from django_downloadview import (
+    assert_download_response,
+    setup_view,
+    temporary_media_root,
+)
 
 # Fixtures.
 file_content = "Hello world!\n"
diff --git a/demo/demoproject/storage/urls.py b/demo/demoproject/storage/urls.py
index ff16051..6b5dc17 100644
--- a/demo/demoproject/storage/urls.py
+++ b/demo/demoproject/storage/urls.py
@@ -3,7 +3,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.storage import views
 
-
 urlpatterns = patterns(
     "",
     url(
diff --git a/demo/demoproject/storage/views.py b/demo/demoproject/storage/views.py
index e349f16..91db3f5 100644
--- a/demo/demoproject/storage/views.py
+++ b/demo/demoproject/storage/views.py
@@ -2,7 +2,6 @@ from django.core.files.storage import FileSystemStorage
 
 from django_downloadview import StorageDownloadView
 
-
 storage = FileSystemStorage()
 
 
diff --git a/demo/demoproject/tests.py b/demo/demoproject/tests.py
index b82b8f6..f6bbfe3 100644
--- a/demo/demoproject/tests.py
+++ b/demo/demoproject/tests.py
@@ -1,9 +1,9 @@
 # coding=utf8
 """Test suite for demoproject.download."""
-from demoproject.compat import reverse
-
 from django.test import TestCase
 
+from demoproject.compat import reverse
+
 
 class HomeViewTestCase(TestCase):
     """Test homepage."""
diff --git a/demo/demoproject/urls.py b/demo/demoproject/urls.py
index 9df4bfb..caf80f6 100755
--- a/demo/demoproject/urls.py
+++ b/demo/demoproject/urls.py
@@ -1,8 +1,7 @@
 from django.conf.urls import url
 from django.views.generic import TemplateView
 
-from demoproject.compat import patterns, include
-
+from demoproject.compat import include, patterns
 
 home = TemplateView.as_view(template_name="home.html")
 
diff --git a/demo/demoproject/virtual/tests.py b/demo/demoproject/virtual/tests.py
index fb3b164..4a877cc 100644
--- a/demo/demoproject/virtual/tests.py
+++ b/demo/demoproject/virtual/tests.py
@@ -1,8 +1,7 @@
 import django.test
 
-from django_downloadview import assert_download_response
-
 from demoproject.compat import reverse
+from django_downloadview import assert_download_response
 
 
 class TextTestCase(django.test.TestCase):
diff --git a/demo/demoproject/virtual/urls.py b/demo/demoproject/virtual/urls.py
index 559695c..e1226dd 100644
--- a/demo/demoproject/virtual/urls.py
+++ b/demo/demoproject/virtual/urls.py
@@ -3,7 +3,6 @@ from django.conf.urls import url
 from demoproject.compat import patterns
 from demoproject.virtual import views
 
-
 urlpatterns = patterns(
     "",
     url(r"^text/$", views.TextDownloadView.as_view(), name="text"),
diff --git a/demo/demoproject/virtual/views.py b/demo/demoproject/virtual/views.py
index 0091c66..f10940c 100644
--- a/demo/demoproject/virtual/views.py
+++ b/demo/demoproject/virtual/views.py
@@ -1,10 +1,7 @@
-from io import StringIO
-
 from django.core.files.base import ContentFile
 
-from django_downloadview import VirtualDownloadView
-from django_downloadview import VirtualFile
-from django_downloadview import TextIteratorIO
+from django_downloadview import TextIteratorIO, VirtualDownloadView, VirtualFile
+from io import StringIO
 
 
 class TextDownloadView(VirtualDownloadView):
diff --git a/demo/demoproject/wsgi.py b/demo/demoproject/wsgi.py
index 6135784..9beca42 100755
--- a/demo/demoproject/wsgi.py
+++ b/demo/demoproject/wsgi.py
@@ -16,7 +16,6 @@ import os
 
 from django.core.wsgi import get_wsgi_application
 
-
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "%s.settings" % __package__)
 
 # This application object is used by any WSGI server configured to use this
diff --git a/demo/setup.py b/demo/setup.py
index dd4d858..a684433 100644
--- a/demo/setup.py
+++ b/demo/setup.py
@@ -1,10 +1,7 @@
-# -*- coding: utf-8 -*-
 """Python packaging."""
 import os
-
 from setuptools import setup
 
-
 here = os.path.abspath(os.path.dirname(__file__))
 project_root = os.path.dirname(here)
 
diff --git a/django_downloadview/__init__.py b/django_downloadview/__init__.py
index b5814d9..239b866 100644
--- a/django_downloadview/__init__.py
+++ b/django_downloadview/__init__.py
@@ -1,10 +1,7 @@
 """Serve files with Django and reverse proxies."""
 import pkg_resources
 
+from django_downloadview.api import *  # NoQA
 
 #: Module version, as defined in PEP-0396.
 __version__ = pkg_resources.get_distribution(__package__.replace("-", "_")).version
-
-
-# API shortcuts.
-from django_downloadview.api import *  # NoQA
diff --git a/django_downloadview/apache/__init__.py b/django_downloadview/apache/__init__.py
index b68d63d..478dd35 100644
--- a/django_downloadview/apache/__init__.py
+++ b/django_downloadview/apache/__init__.py
@@ -7,6 +7,6 @@ Apache optimizations </optimizations/apache>`.
 """
 # API shortcuts.
 from django_downloadview.apache.decorators import x_sendfile  # NoQA
+from django_downloadview.apache.middlewares import XSendfileMiddleware  # NoQA
 from django_downloadview.apache.response import XSendfileResponse  # NoQA
 from django_downloadview.apache.tests import assert_x_sendfile  # NoQA
-from django_downloadview.apache.middlewares import XSendfileMiddleware  # NoQA
diff --git a/django_downloadview/apache/decorators.py b/django_downloadview/apache/decorators.py
index 26f1523..dda7890 100644
--- a/django_downloadview/apache/decorators.py
+++ b/django_downloadview/apache/decorators.py
@@ -1,6 +1,6 @@
 """Decorators to apply Apache X-Sendfile on a specific view."""
-from django_downloadview.decorators import DownloadDecorator
 from django_downloadview.apache.middlewares import XSendfileMiddleware
+from django_downloadview.decorators import DownloadDecorator
 
 
 def x_sendfile(view_func, *args, **kwargs):
diff --git a/django_downloadview/apache/middlewares.py b/django_downloadview/apache/middlewares.py
index 37bf5c4..f30cc42 100644
--- a/django_downloadview/apache/middlewares.py
+++ b/django_downloadview/apache/middlewares.py
@@ -1,7 +1,7 @@
 from django_downloadview.apache.response import XSendfileResponse
 from django_downloadview.middlewares import (
-    ProxiedDownloadMiddleware,
     NoRedirectionMatch,
+    ProxiedDownloadMiddleware,
 )
 
 
diff --git a/django_downloadview/api.py b/django_downloadview/api.py
index e584343..933911f 100644
--- a/django_downloadview/api.py
+++ b/django_downloadview/api.py
@@ -1,31 +1,25 @@
 """Declaration of API shortcuts."""
+from django_downloadview.files import HTTPFile, StorageFile, VirtualFile  # NoQA
 from django_downloadview.io import BytesIteratorIO, TextIteratorIO  # NoQA
-from django_downloadview.files import StorageFile, VirtualFile, HTTPFile  # NoQA
-from django_downloadview.response import (
-    DownloadResponse,  # NoQA
-    ProxiedDownloadResponse,
-)
+from django_downloadview.middlewares import BaseDownloadMiddleware  # NoQA
 from django_downloadview.middlewares import (
-    BaseDownloadMiddleware,  # NoQA
     DownloadDispatcherMiddleware,
     SmartDownloadMiddleware,
 )
+from django_downloadview.response import DownloadResponse  # NoQA
+from django_downloadview.response import ProxiedDownloadResponse
+from django_downloadview.shortcuts import sendfile  # NoQA
+from django_downloadview.test import assert_download_response  # NoQA
+from django_downloadview.test import setup_view, temporary_media_root
+from django_downloadview.views import PathDownloadView  # NoQA
 from django_downloadview.views import (
-    PathDownloadView,  # NoQA
-    ObjectDownloadView,
-    StorageDownloadView,
-    HTTPDownloadView,
-    VirtualDownloadView,
     BaseDownloadView,
     DownloadMixin,
+    HTTPDownloadView,
+    ObjectDownloadView,
+    StorageDownloadView,
+    VirtualDownloadView,
 )
-from django_downloadview.shortcuts import sendfile  # NoQA
-from django_downloadview.test import (
-    assert_download_response,  # NoQA
-    setup_view,
-    temporary_media_root,
-)
-
 
 # Backward compatibility.
 StringIteratorIO = TextIteratorIO
diff --git a/django_downloadview/files.py b/django_downloadview/files.py
index c09cab8..f755bed 100644
--- a/django_downloadview/files.py
+++ b/django_downloadview/files.py
@@ -1,13 +1,12 @@
 """File wrappers for use as exchange data between views and responses."""
-from io import BytesIO
 from urllib.parse import urlparse
 
+import requests
 from django.core.files.base import File
 from django.utils.encoding import force_bytes
 
-import requests
-
 from django_downloadview.io import BytesIteratorIO
+from io import BytesIO
 
 
 class StorageFile(File):
diff --git a/django_downloadview/io.py b/django_downloadview/io.py
index c0415cc..0fefac0 100644
--- a/django_downloadview/io.py
+++ b/django_downloadview/io.py
@@ -1,7 +1,7 @@
 """Low-level IO operations, for use with file wrappers."""
-import io
+from django.utils.encoding import force_bytes, force_text
 
-from django.utils.encoding import force_text, force_bytes
+import io
 
 
 class TextIteratorIO(io.TextIOBase):
diff --git a/django_downloadview/lighttpd/__init__.py b/django_downloadview/lighttpd/__init__.py
index 9f750fe..fb2c7df 100644
--- a/django_downloadview/lighttpd/__init__.py
+++ b/django_downloadview/lighttpd/__init__.py
@@ -8,6 +8,6 @@ See also `documentation of X-Sendfile for Lighttpd
 """
 # API shortcuts.
 from django_downloadview.lighttpd.decorators import x_sendfile  # NoQA
+from django_downloadview.lighttpd.middlewares import XSendfileMiddleware  # NoQA
 from django_downloadview.lighttpd.response import XSendfileResponse  # NoQA
 from django_downloadview.lighttpd.tests import assert_x_sendfile  # NoQA
-from django_downloadview.lighttpd.middlewares import XSendfileMiddleware  # NoQA
diff --git a/django_downloadview/lighttpd/middlewares.py b/django_downloadview/lighttpd/middlewares.py
index ceb70a7..136bdb0 100644
--- a/django_downloadview/lighttpd/middlewares.py
+++ b/django_downloadview/lighttpd/middlewares.py
@@ -1,7 +1,7 @@
 from django_downloadview.lighttpd.response import XSendfileResponse
 from django_downloadview.middlewares import (
-    ProxiedDownloadMiddleware,
     NoRedirectionMatch,
+    ProxiedDownloadMiddleware,
 )
 
 
diff --git a/django_downloadview/middlewares.py b/django_downloadview/middlewares.py
index e16b784..8f5b9a7 100644
--- a/django_downloadview/middlewares.py
+++ b/django_downloadview/middlewares.py
@@ -4,13 +4,16 @@ Download middlewares capture :py:class:`django_downloadview.DownloadResponse`
 responses and may replace them with optimized download responses.
 
 """
-import copy
 import collections
+import copy
 import os
 
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 
+from django_downloadview.response import DownloadResponse
+from django_downloadview.utils import import_member
+
 try:
     from django.utils.deprecation import MiddlewareMixin
 except ImportError:
@@ -20,10 +23,6 @@ except ImportError:
             super(MiddlewareMixin, self).__init__()
 
 
-from django_downloadview.response import DownloadResponse
-from django_downloadview.utils import import_member
-
-
 #: Sentinel value to detect whether configuration is to be loaded from Django
 #: settings or not.
 AUTO_CONFIGURE = object()
diff --git a/django_downloadview/nginx/__init__.py b/django_downloadview/nginx/__init__.py
index 58a1cf6..7e420f8 100644
--- a/django_downloadview/nginx/__init__.py
+++ b/django_downloadview/nginx/__init__.py
@@ -7,6 +7,6 @@ See also `Nginx X-accel documentation <http://wiki.nginx.org/X-accel>`_ and
 """
 # API shortcuts.
 from django_downloadview.nginx.decorators import x_accel_redirect  # NoQA
+from django_downloadview.nginx.middlewares import XAccelRedirectMiddleware  # NoQA
 from django_downloadview.nginx.response import XAccelRedirectResponse  # NoQA
 from django_downloadview.nginx.tests import assert_x_accel_redirect  # NoQA
-from django_downloadview.nginx.middlewares import XAccelRedirectMiddleware  # NoQA
diff --git a/django_downloadview/nginx/middlewares.py b/django_downloadview/nginx/middlewares.py
index 6fc730d..3592937 100644
--- a/django_downloadview/nginx/middlewares.py
+++ b/django_downloadview/nginx/middlewares.py
@@ -4,8 +4,8 @@ from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 
 from django_downloadview.middlewares import (
-    ProxiedDownloadMiddleware,
     NoRedirectionMatch,
+    ProxiedDownloadMiddleware,
 )
 from django_downloadview.nginx.response import XAccelRedirectResponse
 
diff --git a/django_downloadview/nginx/settings.py b/django_downloadview/nginx/settings.py
index 2375ad2..862b61b 100644
--- a/django_downloadview/nginx/settings.py
+++ b/django_downloadview/nginx/settings.py
@@ -12,7 +12,6 @@ import warnings
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 
-
 # In version 1.3, former XAccelRedirectMiddleware has been renamed to
 # SingleXAccelRedirectMiddleware. So tell the users.
 deprecated_middleware = "django_downloadview.nginx.XAccelRedirectMiddleware"
diff --git a/django_downloadview/response.py b/django_downloadview/response.py
index 41ced52..97eb73c 100644
--- a/django_downloadview/response.py
+++ b/django_downloadview/response.py
@@ -1,6 +1,6 @@
 """:py:class:`django.http.HttpResponse` subclasses."""
-import os
 import mimetypes
+import os
 import re
 import unicodedata
 from urllib.parse import quote
diff --git a/django_downloadview/utils.py b/django_downloadview/utils.py
index b45a82c..2354e18 100644
--- a/django_downloadview/utils.py
+++ b/django_downloadview/utils.py
@@ -1,7 +1,6 @@
 """Utility functions that may be implemented in external packages."""
 import re
 
-
 charset_pattern = re.compile(r"charset=(?P<charset>.+)$", re.I | re.U)
 
 
diff --git a/django_downloadview/views/__init__.py b/django_downloadview/views/__init__.py
index 09ac9c1..9a78444 100644
--- a/django_downloadview/views/__init__.py
+++ b/django_downloadview/views/__init__.py
@@ -1,8 +1,8 @@
 """Views to stream files."""
 # API shortcuts.
-from django_downloadview.views.base import DownloadMixin, BaseDownloadView  # NoQA
+from django_downloadview.views.base import BaseDownloadView, DownloadMixin  # NoQA
+from django_downloadview.views.http import HTTPDownloadView  # NoQA
+from django_downloadview.views.object import ObjectDownloadView  # NoQA
 from django_downloadview.views.path import PathDownloadView  # NoQA
 from django_downloadview.views.storage import StorageDownloadView  # NoQA
-from django_downloadview.views.object import ObjectDownloadView  # NoQA
-from django_downloadview.views.http import HTTPDownloadView  # NoQA
 from django_downloadview.views.virtual import VirtualDownloadView  # NoQA
diff --git a/django_downloadview/views/base.py b/django_downloadview/views/base.py
index b3479c7..df20973 100644
--- a/django_downloadview/views/base.py
+++ b/django_downloadview/views/base.py
@@ -2,7 +2,7 @@
 :class:`BaseDownloadView`"""
 import calendar
 
-from django.http import HttpResponseNotModified, Http404
+from django.http import Http404, HttpResponseNotModified
 from django.views.generic.base import View
 from django.views.static import was_modified_since
 
diff --git a/tests/api.py b/tests/api.py
index 252b56d..1fadaea 100644
--- a/tests/api.py
+++ b/tests/api.py
@@ -1,10 +1,10 @@
 """Test suite around :mod:`django_downloadview.api` and deprecation plan."""
-from importlib import import_module, reload
 import unittest
 import warnings
+from importlib import import_module, reload
 
-from django.core.exceptions import ImproperlyConfigured
 import django.test
+from django.core.exceptions import ImproperlyConfigured
 from django.test.utils import override_settings
 
 
diff --git a/tests/io.py b/tests/io.py
index b5958b2..565735b 100644
--- a/tests/io.py
+++ b/tests/io.py
@@ -1,8 +1,7 @@
 """Tests around :mod:`django_downloadview.io`."""
 import unittest
 
-from django_downloadview import TextIteratorIO, BytesIteratorIO
-
+from django_downloadview import BytesIteratorIO, TextIteratorIO
 
 HELLO_TEXT = u"Hello world!\né\n"
 HELLO_BYTES = b"Hello world!\n\xc3\xa9\n"
diff --git a/tests/packaging.py b/tests/packaging.py
index ffe50da..1b79bdb 100644
--- a/tests/packaging.py
+++ b/tests/packaging.py
@@ -2,7 +2,6 @@
 import os
 import unittest
 
-
 tests_dir = os.path.dirname(os.path.abspath(__file__))
 project_dir = os.path.dirname(tests_dir)
 build_dir = os.path.join(project_dir, "var", "docs", "html")
diff --git a/tests/sendfile.py b/tests/sendfile.py
index 21ee719..1a4f16e 100644
--- a/tests/sendfile.py
+++ b/tests/sendfile.py
@@ -1,6 +1,6 @@
 """Tests around :py:mod:`django_downloadview.sendfile`."""
-from django.http import Http404
 import django.test
+from django.http import Http404
 
 from django_downloadview.response import DownloadResponse
 from django_downloadview.shortcuts import sendfile
diff --git a/tests/views.py b/tests/views.py
index 0d0d0d7..acd96f5 100644
--- a/tests/views.py
+++ b/tests/views.py
@@ -3,20 +3,15 @@ import calendar
 import os
 import unittest
 from datetime import datetime
+from unittest import mock
 
-try:
-    from unittest import mock
-except ImportError:
-    import mock
-
+import django.test
 from django.core.files import File
 from django.http import Http404
 from django.http.response import HttpResponseNotModified
-import django.test
 
-from django_downloadview import exceptions
+from django_downloadview import exceptions, views
 from django_downloadview.test import setup_view
-from django_downloadview import views
 
 
 class DownloadMixinTestCase(unittest.TestCase):