Sort imports using isort

```
$ pip install isort -e .[testing,docs]
$ isort --recursive wagtail/
$ git add wagtail
$ git commit
```

wagtail/api/v2/endpoints.py

@@ -2,27 +2,26 @@ from __future__ import absolute_import
 
 from collections import OrderedDict
 
-from django.conf.urls import url
-from django.http import Http404
-from django.core.urlresolvers import reverse
 from django.apps import apps
-
+from django.conf.urls import url
+from django.core.urlresolvers import reverse
+from django.http import Http404
 from rest_framework import status
+from rest_framework.renderers import BrowsableAPIRenderer, JSONRenderer
 from rest_framework.response import Response
 from rest_framework.viewsets import GenericViewSet
-from rest_framework.renderers import JSONRenderer, BrowsableAPIRenderer
 
 from wagtail.wagtailcore.models import Page
-from wagtail.wagtailimages.models import get_image_model
 from wagtail.wagtaildocs.models import Document
+from wagtail.wagtailimages.models import get_image_model
 
 from .filters import (
-    FieldsFilter, OrderingFilter, SearchFilter,
-    RestrictedChildOfFilter, RestrictedDescendantOfFilter
-)
+    FieldsFilter, OrderingFilter, RestrictedChildOfFilter, RestrictedDescendantOfFilter,
+    SearchFilter)
 from .pagination import WagtailPagination
-from .serializers import BaseSerializer, PageSerializer, DocumentSerializer, ImageSerializer, get_serializer_class
-from .utils import BadRequestError, page_models_from_string, filter_page_type
+from .serializers import (
+    BaseSerializer, DocumentSerializer, ImageSerializer, PageSerializer, get_serializer_class)
+from .utils import BadRequestError, filter_page_type, page_models_from_string
 
 
 class BaseAPIEndpoint(GenericViewSet):

wagtail/api/v2/filters.py

@@ -1,7 +1,5 @@
 from django.conf import settings
-
 from rest_framework.filters import BaseFilterBackend
-
 from taggit.managers import _TaggableManager
 
 from wagtail.wagtailcore.models import Page

wagtail/api/v2/pagination.py

@@ -1,7 +1,6 @@
 from collections import OrderedDict
 
 from django.conf import settings
-
 from rest_framework.pagination import BasePagination
 from rest_framework.response import Response
 

wagtail/api/v2/router.py

@@ -1,6 +1,6 @@
 import functools
 
-from django.conf.urls import url, include
+from django.conf.urls import include, url
 
 from wagtail.utils.urlpatterns import decorate_urlpatterns
 

wagtail/api/v2/serializers.py

@@ -2,15 +2,11 @@ from __future__ import absolute_import
 
 from collections import OrderedDict
 
-from modelcluster.models import get_all_child_relations
-
 from django.core.urlresolvers import NoReverseMatch
-
-from taggit.managers import _TaggableManager
-
-from rest_framework import serializers
+from modelcluster.models import get_all_child_relations
+from rest_framework import relations, serializers
 from rest_framework.fields import Field, SkipField
-from rest_framework import relations
+from taggit.managers import _TaggableManager
 
 from wagtail.utils.compat import get_related_model
 from wagtail.wagtailcore import fields as wagtailcore_fields

wagtail/api/v2/signal_handlers.py

@@ -1,12 +1,11 @@
 from django.core.urlresolvers import reverse
-from django.db.models.signals import post_save, post_delete
-
-from wagtail.wagtailcore.signals import page_published, page_unpublished
-from wagtail.wagtailcore.models import get_page_models
-from wagtail.wagtailimages.models import get_image_model
-from wagtail.wagtaildocs.models import Document
+from django.db.models.signals import post_delete, post_save
 
 from wagtail.contrib.wagtailfrontendcache.utils import purge_url_from_cache
+from wagtail.wagtailcore.models import get_page_models
+from wagtail.wagtailcore.signals import page_published, page_unpublished
+from wagtail.wagtaildocs.models import Document
+from wagtail.wagtailimages.models import get_image_model
 
 from .utils import get_base_url
 

wagtail/api/v2/tests/test_documents.py

@@ -1,13 +1,12 @@
 import json
-import mock
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtaildocs.models import Document
 
 from wagtail.api.v2 import signal_handlers
+from wagtail.wagtaildocs.models import Document
 
 
 class TestDocumentListing(TestCase):

wagtail/api/v2/tests/test_images.py

@@ -1,13 +1,12 @@
 import json
-import mock
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtailimages.models import get_image_model
 
 from wagtail.api.v2 import signal_handlers
+from wagtail.wagtailimages.models import get_image_model
 
 
 class TestImageListing(TestCase):

wagtail/api/v2/tests/test_pages.py

@@ -1,17 +1,15 @@
-import json
-import mock
 import collections
+import json
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtailcore.models import Page
 
 from wagtail.api.v2 import signal_handlers
-
 from wagtail.tests.demosite import models
 from wagtail.tests.testapp.models import StreamPage
+from wagtail.wagtailcore.models import Page
 
 
 def get_total_page_count():

wagtail/api/v2/urls.py

@@ -2,10 +2,9 @@ from __future__ import absolute_import
 
 from django.conf.urls import url
 
-from .endpoints import PagesAPIEndpoint, ImagesAPIEndpoint, DocumentsAPIEndpoint
+from .endpoints import DocumentsAPIEndpoint, ImagesAPIEndpoint, PagesAPIEndpoint
 from .router import WagtailAPIRouter
 
-
 v2 = WagtailAPIRouter('wagtailapi_v2')
 v2.register_endpoint('pages', PagesAPIEndpoint)
 v2.register_endpoint('images', ImagesAPIEndpoint)

wagtail/bin/wagtail.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python
-from __future__ import print_function, absolute_import
+from __future__ import absolute_import, print_function
 
 import os
-
 from optparse import OptionParser
+
 from django.core.management import ManagementUtility
 
 

wagtail/contrib/settings/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+
 from .registry import register_setting
 
 __all__ = ['BaseSetting', 'register_setting']

wagtail/contrib/settings/registry.py

@@ -5,6 +5,7 @@ from django.utils.text import capfirst
 
 from wagtail.wagtailadmin.menu import MenuItem
 from wagtail.wagtailcore import hooks
+
 from .permissions import user_can_edit_setting_type
 
 

wagtail/contrib/settings/views.py

@@ -1,6 +1,6 @@
 from django.core.exceptions import PermissionDenied
 from django.http import Http404
-from django.shortcuts import redirect, render, get_object_or_404
+from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.lru_cache import lru_cache
 from django.utils.text import capfirst
 from django.utils.translation import ugettext as _

wagtail/contrib/wagtailapi/endpoints.py

@@ -3,25 +3,22 @@ from __future__ import absolute_import
 from collections import OrderedDict
 
 from django.conf.urls import url
-from django.http import Http404
 from django.core.urlresolvers import reverse
-
+from django.http import Http404
 from rest_framework import status
+from rest_framework.renderers import BrowsableAPIRenderer, JSONRenderer
 from rest_framework.response import Response
 from rest_framework.viewsets import GenericViewSet
-from rest_framework.renderers import JSONRenderer, BrowsableAPIRenderer
 
 from wagtail.wagtailcore.models import Page
-from wagtail.wagtailimages.models import get_image_model
-from wagtail.wagtaildocs.models import Document
 from wagtail.wagtailcore.utils import resolve_model_string
+from wagtail.wagtaildocs.models import Document
+from wagtail.wagtailimages.models import get_image_model
 
-from .filters import (
-    FieldsFilter, OrderingFilter, SearchFilter,
-    ChildOfFilter, DescendantOfFilter
-)
+from .filters import ChildOfFilter, DescendantOfFilter, FieldsFilter, OrderingFilter, SearchFilter
 from .pagination import WagtailPagination
-from .serializers import BaseSerializer, PageSerializer, DocumentSerializer, ImageSerializer, get_serializer_class
+from .serializers import (
+    BaseSerializer, DocumentSerializer, ImageSerializer, PageSerializer, get_serializer_class)
 from .utils import BadRequestError
 
 

wagtail/contrib/wagtailapi/filters.py

@@ -1,7 +1,5 @@
 from django.conf import settings
-
 from rest_framework.filters import BaseFilterBackend
-
 from taggit.managers import _TaggableManager
 
 from wagtail.wagtailcore.models import Page

wagtail/contrib/wagtailapi/pagination.py

@@ -1,7 +1,6 @@
 from collections import OrderedDict
 
 from django.conf import settings
-
 from rest_framework.pagination import BasePagination
 from rest_framework.response import Response
 

wagtail/contrib/wagtailapi/router.py

@@ -1,6 +1,6 @@
 import functools
 
-from django.conf.urls import url, include
+from django.conf.urls import include, url
 
 from wagtail.utils.urlpatterns import decorate_urlpatterns
 

wagtail/contrib/wagtailapi/serializers.py

@@ -3,12 +3,9 @@ from __future__ import absolute_import
 from collections import OrderedDict
 
 from modelcluster.models import get_all_child_relations
-
-from taggit.managers import _TaggableManager
-
-from rest_framework import serializers
+from rest_framework import relations, serializers
 from rest_framework.fields import Field
-from rest_framework import relations
+from taggit.managers import _TaggableManager
 
 from wagtail.wagtailcore import fields as wagtailcore_fields
 

wagtail/contrib/wagtailapi/signal_handlers.py

@@ -1,12 +1,11 @@
 from django.core.urlresolvers import reverse
-from django.db.models.signals import post_save, post_delete
-
-from wagtail.wagtailcore.signals import page_published, page_unpublished
-from wagtail.wagtailcore.models import get_page_models
-from wagtail.wagtailimages.models import get_image_model
-from wagtail.wagtaildocs.models import Document
+from django.db.models.signals import post_delete, post_save
 
 from wagtail.contrib.wagtailfrontendcache.utils import purge_url_from_cache
+from wagtail.wagtailcore.models import get_page_models
+from wagtail.wagtailcore.signals import page_published, page_unpublished
+from wagtail.wagtaildocs.models import Document
+from wagtail.wagtailimages.models import get_image_model
 
 from .utils import get_base_url
 

wagtail/contrib/wagtailapi/tests/test_documents.py

@@ -1,13 +1,12 @@
 import json
-import mock
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtaildocs.models import Document
 
 from wagtail.contrib.wagtailapi import signal_handlers
+from wagtail.wagtaildocs.models import Document
 
 
 class TestDocumentListing(TestCase):

wagtail/contrib/wagtailapi/tests/test_images.py

@@ -1,13 +1,12 @@
 import json
-import mock
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtailimages.models import get_image_model
 
 from wagtail.contrib.wagtailapi import signal_handlers
+from wagtail.wagtailimages.models import get_image_model
 
 
 class TestImageListing(TestCase):

wagtail/contrib/wagtailapi/tests/test_pages.py

@@ -1,17 +1,15 @@
-import json
-import mock
 import collections
+import json
 
+import mock
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.core.urlresolvers import reverse
-
-from wagtail.wagtailcore.models import Page
 
 from wagtail.contrib.wagtailapi import signal_handlers
-
 from wagtail.tests.demosite import models
 from wagtail.tests.testapp.models import StreamPage
+from wagtail.wagtailcore.models import Page
 
 
 def get_total_page_count():

wagtail/contrib/wagtailapi/urls.py

@@ -2,10 +2,9 @@ from __future__ import absolute_import
 
 from django.conf.urls import url
 
-from .endpoints import PagesAPIEndpoint, ImagesAPIEndpoint, DocumentsAPIEndpoint
+from .endpoints import DocumentsAPIEndpoint, ImagesAPIEndpoint, PagesAPIEndpoint
 from .router import WagtailAPIRouter
 
-
 v1 = WagtailAPIRouter('wagtailapi_v1')
 v1.register_endpoint('pages', PagesAPIEndpoint)
 v1.register_endpoint('images', ImagesAPIEndpoint)

wagtail/contrib/wagtailfrontendcache/apps.py

@@ -1,4 +1,5 @@
 from django.apps import AppConfig
+
 from wagtail.contrib.wagtailfrontendcache.signal_handlers import register_signal_handlers
 
 

wagtail/contrib/wagtailfrontendcache/backends.py

@@ -1,13 +1,12 @@
-import logging
 import json
+import logging
 
-from django.utils.six.moves.urllib.parse import urlparse, urlunparse, urlencode
+from django.utils.six.moves.urllib.error import HTTPError, URLError
+from django.utils.six.moves.urllib.parse import urlencode, urlparse, urlunparse
 from django.utils.six.moves.urllib.request import Request, urlopen
-from django.utils.six.moves.urllib.error import URLError, HTTPError
 
 from wagtail.wagtailcore import __version__
 
-
 logger = logging.getLogger('wagtail.frontendcache')
 
 

wagtail/contrib/wagtailfrontendcache/signal_handlers.py

@@ -1,8 +1,7 @@
 from django.apps import apps
 
-from wagtail.wagtailcore.signals import page_published, page_unpublished
-
 from wagtail.contrib.wagtailfrontendcache.utils import purge_page_from_cache
+from wagtail.wagtailcore.signals import page_published, page_unpublished
 
 
 def page_published_signal_handler(instance, **kwargs):

wagtail/contrib/wagtailfrontendcache/tests.py

@@ -1,11 +1,11 @@
 from django.test import TestCase
 from django.test.utils import override_settings
 
-from wagtail.wagtailcore.models import Page
-from wagtail.tests.testapp.models import EventIndex
-
+from wagtail.contrib.wagtailfrontendcache.backends import (
+    BaseBackend, CloudflareBackend, HTTPBackend)
 from wagtail.contrib.wagtailfrontendcache.utils import get_backends
-from wagtail.contrib.wagtailfrontendcache.backends import HTTPBackend, CloudflareBackend, BaseBackend
+from wagtail.tests.testapp.models import EventIndex
+from wagtail.wagtailcore.models import Page
 
 
 class TestBackendConfiguration(TestCase):

wagtail/contrib/wagtailfrontendcache/utils.py

@@ -1,9 +1,8 @@
 import logging
 
 from django.conf import settings
-from django.utils.module_loading import import_string
 from django.core.exceptions import ImproperlyConfigured
-
+from django.utils.module_loading import import_string
 
 logger = logging.getLogger('wagtail.frontendcache')
 

wagtail/contrib/wagtailroutablepage/models.py

@@ -1,13 +1,12 @@
 from __future__ import unicode_literals
 
-from django.http import Http404
-from django.core.urlresolvers import RegexURLResolver
 from django.conf.urls import url
+from django.core.urlresolvers import RegexURLResolver
+from django.http import Http404
 
 from wagtail.wagtailcore.models import Page
 from wagtail.wagtailcore.url_routing import RouteResult
 
-
 _creation_counter = 0
 
 

wagtail/contrib/wagtailroutablepage/templatetags/wagtailroutablepage_tags.py

@@ -1,6 +1,5 @@
 from django import template
 
-
 register = template.Library()
 
 

wagtail/contrib/wagtailroutablepage/tests.py

@@ -1,9 +1,10 @@
-from django.test import TestCase, RequestFactory
 from django.core.urlresolvers import NoReverseMatch
+from django.test import RequestFactory, TestCase
 
-from wagtail.wagtailcore.models import Page, Site
+from wagtail.contrib.wagtailroutablepage.templatetags.wagtailroutablepage_tags import \
+    routablepageurl
 from wagtail.tests.routablepage.models import RoutablePageTest
-from wagtail.contrib.wagtailroutablepage.templatetags.wagtailroutablepage_tags import routablepageurl
+from wagtail.wagtailcore.models import Page, Site
 
 
 class TestRoutablePage(TestCase):

wagtail/contrib/wagtailsearchpromotions/admin_urls.py

@@ -1,6 +1,6 @@
 from django.conf.urls import url
-from wagtail.contrib.wagtailsearchpromotions import views
 
+from wagtail.contrib.wagtailsearchpromotions import views
 
 urlpatterns = [
     url(r'^$', views.index, name='index'),

wagtail/contrib/wagtailsearchpromotions/forms.py

@@ -2,9 +2,9 @@ from django import forms
 from django.forms.models import inlineformset_factory
 from django.utils.translation import ugettext_lazy as _
 
+from wagtail.contrib.wagtailsearchpromotions.models import SearchPromotion
 from wagtail.wagtailadmin.widgets import AdminPageChooser
 from wagtail.wagtailsearch.models import Query
-from wagtail.contrib.wagtailsearchpromotions.models import SearchPromotion
 
 
 class SearchPromotionForm(forms.ModelForm):

wagtail/contrib/wagtailsearchpromotions/migrations/0001_initial.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/contrib/wagtailsearchpromotions/migrations/0002_capitalizeverbose.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/contrib/wagtailsearchpromotions/templatetags/wagtailsearchpromotions_tags.py

@@ -1,8 +1,7 @@
 from django import template
 
-from wagtail.wagtailsearch.models import Query
 from wagtail.contrib.wagtailsearchpromotions.models import SearchPromotion
-
+from wagtail.wagtailsearch.models import Query
 
 register = template.Library()
 

wagtail/contrib/wagtailsearchpromotions/tests.py

@@ -1,10 +1,11 @@
-from django.test import TestCase
 from django.core.urlresolvers import reverse
+from django.test import TestCase
 
+from wagtail.contrib.wagtailsearchpromotions.models import SearchPromotion
+from wagtail.contrib.wagtailsearchpromotions.templatetags.wagtailsearchpromotions_tags import \
+    get_search_promotions
 from wagtail.tests.utils import WagtailTestUtils
 from wagtail.wagtailsearch.models import Query
-from wagtail.contrib.wagtailsearchpromotions.models import SearchPromotion
-from wagtail.contrib.wagtailsearchpromotions.templatetags.wagtailsearchpromotions_tags import get_search_promotions
 
 
 class TestSearchPromotions(TestCase):

wagtail/contrib/wagtailsearchpromotions/views.py

@@ -1,17 +1,15 @@
-from django.shortcuts import render, redirect, get_object_or_404
-
 from django.core.urlresolvers import reverse
+from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.translation import ugettext as _
 from django.views.decorators.vary import vary_on_headers
 
+from wagtail.contrib.wagtailsearchpromotions import forms
 from wagtail.utils.pagination import paginate
+from wagtail.wagtailadmin import messages
+from wagtail.wagtailadmin.forms import SearchForm
+from wagtail.wagtailadmin.utils import any_permission_required, permission_required
 from wagtail.wagtailsearch import forms as search_forms
 from wagtail.wagtailsearch.models import Query
-from wagtail.wagtailadmin.forms import SearchForm
-from wagtail.wagtailadmin import messages
-from wagtail.wagtailadmin.utils import permission_required, any_permission_required
-
-from wagtail.contrib.wagtailsearchpromotions import forms
 
 
 @any_permission_required(

wagtail/contrib/wagtailsearchpromotions/wagtail_hooks.py

@@ -1,12 +1,11 @@
-from django.core import urlresolvers
 from django.conf.urls import include, url
-from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import Permission
+from django.core import urlresolvers
+from django.utils.translation import ugettext_lazy as _
 
-from wagtail.wagtailcore import hooks
 from wagtail.contrib.wagtailsearchpromotions import admin_urls
-
 from wagtail.wagtailadmin.menu import MenuItem
+from wagtail.wagtailcore import hooks
 
 
 @hooks.register('register_admin_urls')

wagtail/contrib/wagtailsitemaps/tests.py

@@ -1,8 +1,8 @@
-from django.test import TestCase
 from django.core.cache import cache
+from django.test import TestCase
 
+from wagtail.tests.testapp.models import EventIndex, SimplePage
 from wagtail.wagtailcore.models import Page, PageViewRestriction, Site
-from wagtail.tests.testapp.models import SimplePage, EventIndex
 
 from .sitemap_generator import Sitemap
 

wagtail/contrib/wagtailsitemaps/views.py

@@ -1,6 +1,6 @@
-from django.http import HttpResponse
-from django.core.cache import cache
 from django.conf import settings
+from django.core.cache import cache
+from django.http import HttpResponse
 
 from .sitemap_generator import Sitemap
 

wagtail/contrib/wagtailstyleguide/tests.py

@@ -1,5 +1,5 @@
-from django.test import TestCase
 from django.core.urlresolvers import reverse
+from django.test import TestCase
 
 from wagtail.tests.utils import WagtailTestUtils
 

wagtail/contrib/wagtailstyleguide/views.py

@@ -1,13 +1,14 @@
 from django import forms
+from django.core.paginator import Paginator
 from django.shortcuts import render
 from django.utils.translation import ugettext as _
-from django.core.paginator import Paginator
-from wagtail.wagtailadmin import messages
 
+from wagtail.wagtailadmin import messages
 from wagtail.wagtailadmin.forms import SearchForm
-from wagtail.wagtailadmin.widgets import AdminPageChooser, AdminDateInput, AdminTimeInput, AdminDateTimeInput
-from wagtail.wagtailimages.widgets import AdminImageChooser
+from wagtail.wagtailadmin.widgets import (
+    AdminDateInput, AdminDateTimeInput, AdminPageChooser, AdminTimeInput)
 from wagtail.wagtaildocs.widgets import AdminDocumentChooser
+from wagtail.wagtailimages.widgets import AdminImageChooser
 
 
 class ExampleForm(forms.Form):

wagtail/contrib/wagtailstyleguide/wagtail_hooks.py

@@ -2,8 +2,8 @@ from django.conf.urls import url
 from django.core import urlresolvers
 from django.utils.translation import ugettext_lazy as _
 
-from wagtail.wagtailcore import hooks
 from wagtail.wagtailadmin.menu import MenuItem
+from wagtail.wagtailcore import hooks
 
 from . import views
 

wagtail/project_template/home/migrations/0001_initial.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/project_template/project_name/settings/dev.py

@@ -1,6 +1,5 @@
 from .base import *
 
-
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 

wagtail/project_template/project_name/settings/production.py

@@ -1,6 +1,5 @@
 from .base import *
 
-
 DEBUG = False
 
 try:

wagtail/project_template/project_name/urls.py

@@ -1,13 +1,11 @@
-from django.conf.urls import include, url
 from django.conf import settings
+from django.conf.urls import include, url
 from django.contrib import admin
 
-from wagtail.wagtailadmin import urls as wagtailadmin_urls
-from wagtail.wagtaildocs import urls as wagtaildocs_urls
-from wagtail.wagtailcore import urls as wagtail_urls
-
 from search import views as search_views
-
+from wagtail.wagtailadmin import urls as wagtailadmin_urls
+from wagtail.wagtailcore import urls as wagtail_urls
+from wagtail.wagtaildocs import urls as wagtaildocs_urls
 
 urlpatterns = [
     url(r'^django-admin/', include(admin.site.urls)),

wagtail/project_template/search/views.py

@@ -1,5 +1,5 @@
+from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
 from django.shortcuts import render
-from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
 
 from wagtail.wagtailcore.models import Page
 from wagtail.wagtailsearch.models import Query

wagtail/tests/customuser/migrations/0001_initial.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/tests/customuser/models.py

@@ -1,9 +1,8 @@
 import sys
 
-from django.db import models
-
 from django.contrib.auth.models import (
-    Group, Permission, AbstractBaseUser, PermissionsMixin, BaseUserManager)
+    AbstractBaseUser, BaseUserManager, Group, Permission, PermissionsMixin)
+from django.db import models
 
 
 class CustomUserManager(BaseUserManager):

wagtail/tests/demosite/migrations/0001_initial.py

@@ -1,11 +1,12 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
 import django.db.models.deletion
 import modelcluster.contrib.taggit
-import wagtail.wagtailcore.fields
 import modelcluster.fields
+from django.db import migrations, models
+
+import wagtail.wagtailcore.fields
 
 
 class Migration(migrations.Migration):

wagtail/tests/demosite/models.py

@@ -1,18 +1,17 @@
 from datetime import date
 
 from django.db import models
-
-from modelcluster.fields import ParentalKey
 from modelcluster.contrib.taggit import ClusterTaggableManager
+from modelcluster.fields import ParentalKey
 from taggit.models import TaggedItemBase
 
 from wagtail.utils.pagination import paginate
-from wagtail.wagtailcore.models import Page, Orderable
+from wagtail.wagtailadmin.edit_handlers import (
+    FieldPanel, InlinePanel, MultiFieldPanel, PageChooserPanel)
 from wagtail.wagtailcore.fields import RichTextField
-from wagtail.wagtailadmin.edit_handlers import FieldPanel, MultiFieldPanel, \
-    InlinePanel, PageChooserPanel
-from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
+from wagtail.wagtailcore.models import Orderable, Page
 from wagtail.wagtaildocs.edit_handlers import DocumentChooserPanel
+from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
 from wagtail.wagtailsearch import index
 
 

wagtail/tests/dummy_external_storage.py

@@ -5,8 +5,8 @@
 #  - Calling .path on the storage or image file raises NotImplementedError
 #  - File.open() after the file has been closed raises an error
 
-from django.core.files.storage import Storage, FileSystemStorage
 from django.core.files.base import File
+from django.core.files.storage import FileSystemStorage, Storage
 from django.utils.deconstruct import deconstructible
 
 

wagtail/tests/non_root_urls.py

@@ -3,13 +3,12 @@ are rooted at '/site/' rather than '/'"""
 
 from django.conf.urls import include, url
 
-from wagtail.wagtailcore import urls as wagtail_urls
 from wagtail.wagtailadmin import urls as wagtailadmin_urls
+from wagtail.wagtailcore import urls as wagtail_urls
 from wagtail.wagtaildocs import urls as wagtaildocs_urls
 from wagtail.wagtailimages import urls as wagtailimages_urls
 from wagtail.wagtailsearch import urls as wagtailsearch_urls
 
-
 urlpatterns = [
     url(r'^admin/', include(wagtailadmin_urls)),
     url(r'^search/', include(wagtailsearch_urls)),

wagtail/tests/routablepage/migrations/0001_initial.py

@@ -2,8 +2,9 @@
 # Generated by Django 1.9.1 on 2016-02-12 10:55
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
+
 import wagtail.contrib.wagtailroutablepage.models
 
 

wagtail/tests/search/migrations/0001_initial.py

@@ -2,9 +2,10 @@
 # Generated by Django 1.9.1 on 2016-02-12 10:55
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import django.db.models.deletion
 import taggit.managers
+from django.db import migrations, models
+
 import wagtail.wagtailsearch.index
 
 

wagtail/tests/search/models.py

@@ -1,5 +1,4 @@
 from django.db import models
-
 from taggit.managers import TaggableManager
 
 from wagtail.wagtailsearch import index

wagtail/tests/settings.py

@@ -1,6 +1,5 @@
 import os
 
-
 WAGTAIL_ROOT = os.path.dirname(__file__)
 STATIC_ROOT = os.path.join(WAGTAIL_ROOT, 'test-static')
 MEDIA_ROOT = os.path.join(WAGTAIL_ROOT, 'test-media')

wagtail/tests/snippets/migrations/0001_initial.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/tests/snippets/migrations/0002_searchablesnippet.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.db import models, migrations
+from django.db import migrations, models
+
 import wagtail.wagtailsearch.index
 
 

wagtail/tests/snippets/models.py

@@ -2,7 +2,6 @@ from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 
 from wagtail.wagtailsearch import index
-
 from wagtail.wagtailsnippets.models import register_snippet
 
 

wagtail/tests/testapp/migrations/0001_initial.py

@@ -2,12 +2,13 @@
 # Generated by Django 1.9.1 on 2016-02-12 10:55
 from __future__ import unicode_literals
 
-from django.conf import settings
-from django.db import migrations, models
 import django.db.models.deletion
 import modelcluster.contrib.taggit
 import modelcluster.fields
 import taggit.managers
+from django.conf import settings
+from django.db import migrations, models
+
 import wagtail.wagtailadmin.taggable
 import wagtail.wagtailcore.blocks
 import wagtail.wagtailcore.fields

wagtail/tests/testapp/migrations/0002_customimage_collections.py

@@ -2,8 +2,9 @@
 # Generated by Django 1.9.1 on 2016-02-14 12:22
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
+
 import wagtail.wagtailcore.models
 
 

wagtail/tests/testapp/migrations/0003_onetoonepage.py

@@ -2,8 +2,8 @@
 # Generated by Django 1.9.1 on 2016-03-01 21:32
 from __future__ import unicode_literals
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):

wagtail/tests/testapp/models.py

@@ -3,39 +3,35 @@ from __future__ import unicode_literals
 import hashlib
 import os
 
-from django.db import models
-from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
-from django.utils.encoding import python_2_unicode_compatible
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
-
-from taggit.models import TaggedItemBase
-from taggit.managers import TaggableManager
-
+from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+from modelcluster.contrib.taggit import ClusterTaggableManager
 from modelcluster.fields import ParentalKey
 from modelcluster.models import ClusterableModel
-from modelcluster.contrib.taggit import ClusterTaggableManager
+from taggit.managers import TaggableManager
+from taggit.models import TaggedItemBase
 
 from wagtail.contrib.settings.models import BaseSetting, register_setting
-from wagtail.wagtailcore.models import Page, Orderable, PageManager
-from wagtail.wagtailcore.fields import RichTextField, StreamField
-from wagtail.wagtailcore.blocks import CharBlock, RichTextBlock
 from wagtail.wagtailadmin.edit_handlers import (
-    FieldPanel, MultiFieldPanel, InlinePanel, PageChooserPanel, TabbedInterface, ObjectList
-)
+    FieldPanel, InlinePanel, MultiFieldPanel, ObjectList, PageChooserPanel, TabbedInterface)
 from wagtail.wagtailadmin.forms import WagtailAdminPageForm
-from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
+from wagtail.wagtailcore.blocks import CharBlock, RichTextBlock
+from wagtail.wagtailcore.fields import RichTextField, StreamField
+from wagtail.wagtailcore.models import Orderable, Page, PageManager
 from wagtail.wagtaildocs.edit_handlers import DocumentChooserPanel
-from wagtail.wagtailsnippets.models import register_snippet
 from wagtail.wagtailforms.models import AbstractEmailForm, AbstractFormField
-from wagtail.wagtailsnippets.edit_handlers import SnippetChooserPanel
-from wagtail.wagtailsearch import index
-from wagtail.wagtailimages.models import AbstractImage, Image
 from wagtail.wagtailimages.blocks import ImageChooserBlock
+from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
+from wagtail.wagtailimages.models import AbstractImage, Image
+from wagtail.wagtailsearch import index
+from wagtail.wagtailsnippets.edit_handlers import SnippetChooserPanel
+from wagtail.wagtailsnippets.models import register_snippet
 
 from .forms import ValidatedPageForm
 
-
 EVENT_AUDIENCE_CHOICES = (
     ('public', "Public"),
     ('private', "Private"),

wagtail/tests/testapp/urls.py

@@ -1,4 +1,5 @@
 from django.conf.urls import url
+
 from wagtail.tests.testapp.views import bob_only_zone
 
 urlpatterns = [

wagtail/tests/testapp/wagtail_hooks.py

@@ -1,9 +1,9 @@
 from django.http import HttpResponse
 
-from wagtail.wagtailcore import hooks
-from wagtail.wagtailcore.whitelist import attribute_rule, check_url, allow_without_attributes
 from wagtail.wagtailadmin.menu import MenuItem
 from wagtail.wagtailadmin.search import SearchArea
+from wagtail.wagtailcore import hooks
+from wagtail.wagtailcore.whitelist import allow_without_attributes, attribute_rule, check_url
 
 
 # Register one hook using decorators...

wagtail/tests/urls.py

@@ -1,16 +1,14 @@
 from django.conf.urls import include, url
 
-from wagtail.wagtailcore import urls as wagtail_urls
+from wagtail.api.v2 import urls as wagtailapi2_urls
+from wagtail.contrib.wagtailapi import urls as wagtailapi_urls
+from wagtail.contrib.wagtailsitemaps.views import sitemap
+from wagtail.tests.testapp import urls as testapp_urls
 from wagtail.wagtailadmin import urls as wagtailadmin_urls
+from wagtail.wagtailcore import urls as wagtail_urls
 from wagtail.wagtaildocs import urls as wagtaildocs_urls
 from wagtail.wagtailimages import urls as wagtailimages_urls
 from wagtail.wagtailsearch import urls as wagtailsearch_urls
-from wagtail.contrib.wagtailsitemaps.views import sitemap
-from wagtail.contrib.wagtailapi import urls as wagtailapi_urls
-from wagtail.api.v2 import urls as wagtailapi2_urls
-
-from wagtail.tests.testapp import urls as testapp_urls
-
 
 urlpatterns = [
     url(r'^admin/', include(wagtailadmin_urls)),

wagtail/utils/decorators.py

@@ -1,8 +1,9 @@
 from __future__ import absolute_import, unicode_literals
 
-from django.utils.functional import cached_property
 import functools
 
+from django.utils.functional import cached_property
+
 
 # Need to inherit from object explicitly, to turn ``cached_classmethod`` in to
 # a new-style class. WeakKeyDictionary is an old-style class, which do not

wagtail/utils/pagination.py

@@ -1,5 +1,4 @@
-from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
-
+from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
 
 DEFAULT_PAGE_KEY = 'p'
 

wagtail/utils/sendfile_streaming_backend.py

@@ -2,16 +2,18 @@
 # This is based on sendfiles builtin "simple" backend but uses a StreamingHttpResponse
 
 import os
-import stat
 import re
+import stat
+from wsgiref.util import FileWrapper
+
+from django.http import HttpResponseNotModified, StreamingHttpResponse
+from django.utils.http import http_date
+
 try:
     from email.utils import parsedate_tz, mktime_tz
 except ImportError:
     from email.Utils import parsedate_tz, mktime_tz
-from wsgiref.util import FileWrapper
 
-from django.http import StreamingHttpResponse, HttpResponseNotModified
-from django.utils.http import http_date
 
 
 def sendfile(request, filename, **kwargs):

wagtail/utils/setup.py

@@ -1,14 +1,14 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
-import os
 import io
-import subprocess
 import json
-
+import os
+import subprocess
 
 from setuptools import Command
 from setuptools.command.bdist_egg import bdist_egg
 from setuptools.command.sdist import sdist as base_sdist
+
 from wagtail.wagtailcore import __semver__
 
 

wagtail/wagtailadmin/blocks.py

@@ -1,5 +1,5 @@
 import warnings
 
-warnings.warn("wagtail.wagtailadmin.blocks has moved to wagtail.wagtailcore.blocks", UserWarning, stacklevel=2)
-
 from wagtail.wagtailcore.blocks import *  # noqa
+
+warnings.warn("wagtail.wagtailadmin.blocks has moved to wagtail.wagtailcore.blocks", UserWarning, stacklevel=2)

wagtail/wagtailadmin/decorators.py

@@ -1,5 +1,4 @@
-from django.contrib.auth.views import \
-    redirect_to_login as auth_redirect_to_login
+from django.contrib.auth.views import redirect_to_login as auth_redirect_to_login
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext as _
 

wagtail/wagtailadmin/edit_handlers.py

@@ -10,19 +10,17 @@ from django.utils.safestring import mark_safe
 from django.utils.six import text_type
 from django.utils.translation import ugettext_lazy
 
+from wagtail.utils.decorators import cached_classmethod
 from wagtail.wagtailadmin import widgets
 from wagtail.wagtailcore.models import Page
-from wagtail.wagtailcore.utils import (
-    camelcase_to_underscore, resolve_model_string)
-
-from wagtail.utils.decorators import cached_classmethod
+from wagtail.wagtailcore.utils import camelcase_to_underscore, resolve_model_string
 
 # DIRECT_FORM_FIELD_OVERRIDES, FORM_FIELD_OVERRIDES are imported for backwards
 # compatibility, as people are likely importing them from here and then
 # appending their own overrides
 from .forms import (  # NOQA
-    DIRECT_FORM_FIELD_OVERRIDES, FORM_FIELD_OVERRIDES, WagtailAdminModelForm,
-    WagtailAdminPageForm, formfield_for_dbfield)
+    DIRECT_FORM_FIELD_OVERRIDES, FORM_FIELD_OVERRIDES, WagtailAdminModelForm, WagtailAdminPageForm,
+    formfield_for_dbfield)
 
 
 def widget_with_script(widget, script):

wagtail/wagtailadmin/forms.py

@@ -19,7 +19,7 @@ from modelcluster.forms import ClusterForm, ClusterFormMetaclass
 from taggit.managers import TaggableManager
 
 from wagtail.wagtailadmin import widgets
-from wagtail.wagtailcore.models import Page, Collection, GroupCollectionPermission
+from wagtail.wagtailcore.models import Collection, GroupCollectionPermission, Page
 
 
 class URLOrAbsolutePathValidator(validators.URLValidator):

wagtail/wagtailadmin/menu.py

@@ -1,12 +1,12 @@
 from __future__ import unicode_literals
 
-from django.forms import MediaDefiningClass, Media
+from django.contrib.staticfiles.templatetags.staticfiles import static
+from django.forms import Media, MediaDefiningClass
 from django.forms.utils import flatatt
 from django.template.loader import render_to_string
-from django.utils.text import slugify
 from django.utils.safestring import mark_safe
 from django.utils.six import text_type, with_metaclass
-from django.contrib.staticfiles.templatetags.staticfiles import static
+from django.utils.text import slugify
 
 from wagtail.wagtailcore import hooks
 

wagtail/wagtailadmin/search.py

@@ -1,17 +1,15 @@
 from __future__ import unicode_literals
 
-from django.forms import MediaDefiningClass, Media
+from django.forms import Media, MediaDefiningClass
 from django.forms.utils import flatatt
 from django.template.loader import render_to_string
-from django.utils.text import slugify
-from django.utils.safestring import mark_safe
-from django.utils.six import text_type
 from django.utils.functional import cached_property, total_ordering
+from django.utils.safestring import mark_safe
+from django.utils.six import text_type, with_metaclass
+from django.utils.text import slugify
 
-from django.utils.six import with_metaclass
-
-from wagtail.wagtailcore import hooks
 from wagtail.wagtailadmin.forms import SearchForm
+from wagtail.wagtailcore import hooks
 
 
 @total_ordering

wagtail/wagtailadmin/signals.py

@@ -1,4 +1,3 @@
 from django.dispatch import Signal
 
-
 init_new_page = Signal(providing_args=['page', 'parent'])

wagtail/wagtailadmin/taggable.py

@@ -1,7 +1,6 @@
-from taggit.models import Tag
-
 from django.contrib.contenttypes.models import ContentType
 from django.db.models import Count
+from taggit.models import Tag
 
 from wagtail.wagtailsearch import index
 

wagtail/wagtailadmin/templatetags/wagtailadmin_tags.py

@@ -1,20 +1,19 @@
 from __future__ import unicode_literals
 
-from django.conf import settings
 from django import template
+from django.conf import settings
 from django.contrib.humanize.templatetags.humanize import intcomma
 from django.template.defaultfilters import stringfilter
 from django.utils.safestring import mark_safe
 
-from wagtail.wagtailcore import hooks
-from wagtail.wagtailcore.models import get_navigation_menu_items, UserPagePermissionsProxy, PageViewRestriction
-from wagtail.wagtailcore.utils import camelcase_to_underscore, escape_script
-from wagtail.wagtailcore.utils import cautious_slugify as _cautious_slugify
+from wagtail.utils.pagination import DEFAULT_PAGE_KEY
 from wagtail.wagtailadmin.menu import admin_menu
 from wagtail.wagtailadmin.search import admin_search_areas
-
-from wagtail.utils.pagination import DEFAULT_PAGE_KEY
-
+from wagtail.wagtailcore import hooks
+from wagtail.wagtailcore.models import (
+    PageViewRestriction, UserPagePermissionsProxy, get_navigation_menu_items)
+from wagtail.wagtailcore.utils import cautious_slugify as _cautious_slugify
+from wagtail.wagtailcore.utils import camelcase_to_underscore, escape_script
 
 register = template.Library()
 

wagtail/wagtailadmin/templatetags/wagtailuserbar.py

@@ -1,13 +1,14 @@
 from django import template
 from django.template.loader import render_to_string
 
-from wagtail.wagtailcore.models import Page, PageRevision, PAGE_TEMPLATE_VAR
+from wagtail.wagtailadmin.userbar import (
+    AddPageItem, AdminItem, ApproveModerationEditPageItem, EditPageItem, ExplorePageItem,
+    RejectModerationEditPageItem)
+from wagtail.wagtailcore import hooks
+from wagtail.wagtailcore.models import PAGE_TEMPLATE_VAR, Page, PageRevision
 
 # from django.contrib.auth.decorators import permission_required
 
-from wagtail.wagtailadmin.userbar import AdminItem, ExplorePageItem, EditPageItem, AddPageItem, \
-    ApproveModerationEditPageItem, RejectModerationEditPageItem
-from wagtail.wagtailcore import hooks
 
 register = template.Library()
 

wagtail/wagtailadmin/tests/test_collections_views.py

@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
-from django.test import TestCase
+
 from django.core.urlresolvers import reverse
+from django.test import TestCase
 
 from wagtail.tests.utils import WagtailTestUtils
 from wagtail.wagtailcore.models import Collection

wagtail/wagtailadmin/tests/test_edit_handlers.py

@@ -1,33 +1,23 @@
-import mock
-
 from datetime import date
 
+import mock
 from django import forms
 from django.core import checks
 from django.core.exceptions import ImproperlyConfigured
 from django.test import TestCase
 
-from wagtail.wagtailadmin.edit_handlers import (
-    get_form_for_model,
-    extract_panel_definitions_from_model_class,
-    FieldPanel,
-    RichTextFieldPanel,
-    TabbedInterface,
-    ObjectList,
-    PageChooserPanel,
-    InlinePanel,
-)
-
-from wagtail.wagtailadmin.forms import WagtailAdminModelForm, WagtailAdminPageForm
-from wagtail.wagtailadmin.widgets import AdminPageChooser, AdminDateInput, AdminAutoHeightTextInput
-from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
-from wagtail.wagtailcore.models import Page, Site
-from wagtail.wagtailcore.fields import RichTextArea
 from wagtail.tests.testapp.forms import ValidatedPageForm
 from wagtail.tests.testapp.models import (
-    PageChooserModel, EventPageChooserModel, EventPage, EventPageSpeaker,
-    SimplePage, ValidatedPage)
+    EventPage, EventPageChooserModel, EventPageSpeaker, PageChooserModel, SimplePage, ValidatedPage)
 from wagtail.tests.utils import WagtailTestUtils
+from wagtail.wagtailadmin.edit_handlers import (
+    FieldPanel, InlinePanel, ObjectList, PageChooserPanel, RichTextFieldPanel, TabbedInterface,
+    extract_panel_definitions_from_model_class, get_form_for_model)
+from wagtail.wagtailadmin.forms import WagtailAdminModelForm, WagtailAdminPageForm
+from wagtail.wagtailadmin.widgets import AdminAutoHeightTextInput, AdminDateInput, AdminPageChooser
+from wagtail.wagtailcore.fields import RichTextArea
+from wagtail.wagtailcore.models import Page, Site
+from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
 
 
 class TestGetFormForModel(TestCase):

wagtail/wagtailadmin/tests/test_jinja2.py

@@ -5,7 +5,7 @@ from django.contrib.auth.models import AnonymousUser
 from django.template import engines
 from django.test import TestCase
 
-from wagtail.wagtailcore.models import Page, PAGE_TEMPLATE_VAR, Site
+from wagtail.wagtailcore.models import PAGE_TEMPLATE_VAR, Page, Site
 
 
 class TestCoreJinja(TestCase):

wagtail/wagtailadmin/tests/test_page_chooser.py

@@ -1,9 +1,9 @@
-from django.test import TestCase
 from django.core.urlresolvers import reverse
+from django.test import TestCase
 
-from wagtail.wagtailcore.models import Page
-from wagtail.tests.testapp.models import SimplePage, EventPage, EventIndex
+from wagtail.tests.testapp.models import EventIndex, EventPage, SimplePage
 from wagtail.tests.utils import WagtailTestUtils
+from wagtail.wagtailcore.models import Page
 
 
 class TestChooserBrowse(TestCase, WagtailTestUtils):

wagtail/wagtailadmin/tests/test_pages_views.py

@@ -1,26 +1,25 @@
 from datetime import datetime, timedelta
-import mock
 
 import django
-from django.test import TestCase
-from django.core.urlresolvers import reverse
+import mock
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group, Permission
 from django.core import mail, paginator
 from django.core.files.base import ContentFile
-from django.db.models.signals import pre_delete, post_delete
+from django.core.urlresolvers import reverse
+from django.db.models.signals import post_delete, pre_delete
+from django.test import TestCase
 from django.utils import timezone
 
 from wagtail.tests.testapp.models import (
-    SimplePage, FilePage, EventPage, EventPageCarouselItem,
-    SingleEventPage, StandardIndex, StandardChild,
-    BusinessIndex, BusinessChild, BusinessSubIndex,
-    TaggedPage, Advert, AdvertPlacement)
+    Advert, AdvertPlacement, BusinessChild, BusinessIndex, BusinessSubIndex, EventPage,
+    EventPageCarouselItem, FilePage, SimplePage, SingleEventPage, StandardChild, StandardIndex,
+    TaggedPage)
 from wagtail.tests.utils import WagtailTestUtils
 from wagtail.wagtailcore.models import GroupPagePermission, Page, PageRevision, Site
 from wagtail.wagtailcore.signals import page_published, page_unpublished
-from wagtail.wagtailusers.models import UserProfile
 from wagtail.wagtailsearch.index import SearchField
+from wagtail.wagtailusers.models import UserProfile
 
 
 def submittable_timestamp(timestamp):

wagtail/wagtailadmin/tests/test_password_reset.py

@@ -1,6 +1,6 @@
-from django.test import TestCase, override_settings
 from django.core import mail
 from django.core.urlresolvers import reverse
+from django.test import TestCase, override_settings
 
 from wagtail.tests.utils import WagtailTestUtils
 

wagtail/wagtailadmin/tests/test_privacy.py

@@ -1,9 +1,9 @@
-from django.test import TestCase
 from django.core.urlresolvers import reverse
+from django.test import TestCase
 
-from wagtail.wagtailcore.models import Page, PageViewRestriction
 from wagtail.tests.testapp.models import SimplePage
 from wagtail.tests.utils import WagtailTestUtils
+from wagtail.wagtailcore.models import Page, PageViewRestriction
 
 
 class TestSetPrivacyView(TestCase, WagtailTestUtils):

wagtail/wagtailadmin/tests/test_userbar.py

@@ -1,13 +1,13 @@
-from django.test import TestCase
-from django.test.client import RequestFactory
-from django.core.urlresolvers import reverse
-from django.template import Template, Context
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import AnonymousUser
+from django.core.urlresolvers import reverse
+from django.template import Context, Template
+from django.test import TestCase
+from django.test.client import RequestFactory
 
+from wagtail.tests.testapp.models import BusinessChild, BusinessIndex
 from wagtail.tests.utils import WagtailTestUtils
-from wagtail.wagtailcore.models import Page, Site, PAGE_TEMPLATE_VAR
-from wagtail.tests.testapp.models import BusinessIndex, BusinessChild
+from wagtail.wagtailcore.models import PAGE_TEMPLATE_VAR, Page, Site
 
 
 class TestUserbarTag(TestCase):

wagtail/wagtailadmin/tests/test_widgets.py

@@ -1,10 +1,9 @@
-from django.test import TestCase
 from django.contrib.contenttypes.models import ContentType
+from django.test import TestCase
 
+from wagtail.tests.testapp.models import EventPage, SimplePage
 from wagtail.wagtailadmin import widgets
-
 from wagtail.wagtailcore.models import Page
-from wagtail.tests.testapp.models import SimplePage, EventPage
 
 
 class TestAdminPageChooserWidget(TestCase):

wagtail/wagtailadmin/tests/tests.py

@@ -6,19 +6,17 @@ import json
 
 from django.contrib.auth import get_user_model
 from django.core import mail
-from django.core.urlresolvers import reverse
+from django.core.urlresolvers import reverse, reverse_lazy
 from django.test import TestCase, override_settings
+from django.utils.translation import ugettext_lazy as _
 from taggit.models import Tag
 
 from wagtail.tests.utils import WagtailTestUtils
+from wagtail.wagtailadmin.menu import MenuItem
 from wagtail.wagtailadmin.site_summary import PagesSummaryItem
 from wagtail.wagtailadmin.utils import send_mail
 from wagtail.wagtailcore.models import Page, Site
 
-from django.core.urlresolvers import reverse_lazy
-from wagtail.wagtailadmin.menu import MenuItem
-from django.utils.translation import ugettext_lazy as _
-
 
 class TestHome(TestCase, WagtailTestUtils):
     def setUp(self):

wagtail/wagtailadmin/urls/collections.py

@@ -1,4 +1,5 @@
 from django.conf.urls import url
+
 from wagtail.wagtailadmin.views import collections
 
 urlpatterns = [

wagtail/wagtailadmin/urls/pages.py

@@ -1,7 +1,6 @@
 from django.conf.urls import url
 
-from wagtail.wagtailadmin.views import pages, page_privacy
-
+from wagtail.wagtailadmin.views import page_privacy, pages
 
 urlpatterns = [
     url(r'^add/(\w+)/(\w+)/(\d+)/$', pages.create, name='add'),

wagtail/wagtailadmin/urls/password_reset.py

@@ -3,7 +3,6 @@ from django.conf.urls import url
 from wagtail.wagtailadmin.forms import PasswordResetForm
 from wagtail.wagtailadmin.views import account
 
-
 urlpatterns = [
     url(
         r'^$', account.password_reset, {

wagtail/wagtailadmin/utils.py

@@ -1,16 +1,15 @@
 from functools import wraps
 
-from django.template.loader import render_to_string
-from django.core.mail import send_mail as django_send_mail
 from django.conf import settings
 from django.contrib.auth import get_user_model
+from django.core.mail import send_mail as django_send_mail
 from django.db.models import Q
 from django.shortcuts import redirect
+from django.template.loader import render_to_string
 from django.utils.translation import ugettext as _
-
 from modelcluster.fields import ParentalKey
 
-from wagtail.wagtailcore.models import Page, PageRevision, GroupPagePermission
+from wagtail.wagtailcore.models import GroupPagePermission, Page, PageRevision
 from wagtail.wagtailusers.models import UserProfile
 
 

wagtail/wagtailadmin/views/account.py

@@ -1,19 +1,20 @@
 from functools import wraps
 
 from django.conf import settings
-from django.shortcuts import render, redirect
 from django.contrib import messages
+from django.contrib.auth import views as auth_views
+from django.contrib.auth import update_session_auth_hash
 from django.contrib.auth.forms import SetPasswordForm
-from django.contrib.auth import update_session_auth_hash, views as auth_views
 from django.http import Http404
+from django.shortcuts import redirect, render
 from django.utils.translation import ugettext as _
-from django.views.decorators.debug import sensitive_post_parameters
 from django.views.decorators.cache import never_cache
+from django.views.decorators.debug import sensitive_post_parameters
 
 from wagtail.wagtailadmin import forms
+from wagtail.wagtailcore.models import UserPagePermissionsProxy
 from wagtail.wagtailusers.forms import NotificationPreferencesForm
 from wagtail.wagtailusers.models import UserProfile
-from wagtail.wagtailcore.models import UserPagePermissionsProxy
 
 
 # Helper functions to check password management settings to enable/disable views as appropriate.

wagtail/wagtailadmin/views/chooser.py

@@ -1,12 +1,11 @@
-from django.shortcuts import get_object_or_404, render
 from django.http import Http404
+from django.shortcuts import get_object_or_404, render
 
 from wagtail.utils.pagination import paginate
-from wagtail.wagtailadmin.modal_workflow import render_modal_workflow
 from wagtail.wagtailadmin.forms import (
-    SearchForm, ExternalLinkChooserForm, ExternalLinkChooserWithLinkTextForm,
-    EmailLinkChooserForm, EmailLinkChooserWithLinkTextForm)
-
+    EmailLinkChooserForm, EmailLinkChooserWithLinkTextForm, ExternalLinkChooserForm,
+    ExternalLinkChooserWithLinkTextForm, SearchForm)
+from wagtail.wagtailadmin.modal_workflow import render_modal_workflow
 from wagtail.wagtailcore.models import Page
 from wagtail.wagtailcore.utils import resolve_model_string