diff --git a/django/apps/__init__.py b/django/apps/__init__.py
index de0f303846..79091dc535 100644
--- a/django/apps/__init__.py
+++ b/django/apps/__init__.py
@@ -1,2 +1,4 @@
-from .config import AppConfig   # NOQA
-from .registry import apps      # NOQA
+from .config import AppConfig
+from .registry import apps
+
+__all__ = ['AppConfig', 'apps']
diff --git a/django/conf/__init__.py b/django/conf/__init__.py
index bbc0fb92cd..76f1e9f9a2 100644
--- a/django/conf/__init__.py
+++ b/django/conf/__init__.py
@@ -8,7 +8,7 @@ a list of all possible variables.
 
 import importlib
 import os
-import time     # Needed for Windows
+import time
 import warnings
 
 from django.conf import global_settings
diff --git a/django/conf/urls/__init__.py b/django/conf/urls/__init__.py
index 4a7fef9f78..ab67fd30a5 100644
--- a/django/conf/urls/__init__.py
+++ b/django/conf/urls/__init__.py
@@ -1,9 +1,10 @@
-from importlib import import_module
 import warnings
+from importlib import import_module
 
-from django.core.urlresolvers import (RegexURLPattern,
-    RegexURLResolver, LocaleRegexURLResolver)
 from django.core.exceptions import ImproperlyConfigured
+from django.core.urlresolvers import (
+    LocaleRegexURLResolver, RegexURLPattern, RegexURLResolver,
+)
 from django.utils import six
 from django.utils.deprecation import (
     RemovedInDjango20Warning, RemovedInDjango110Warning,
diff --git a/django/contrib/admin/__init__.py b/django/contrib/admin/__init__.py
index cf110ed97c..23f51fabdd 100644
--- a/django/contrib/admin/__init__.py
+++ b/django/contrib/admin/__init__.py
@@ -1,13 +1,15 @@
 # ACTION_CHECKBOX_NAME is unused, but should stay since its import from here
 # has been referenced in documentation.
 from django.contrib.admin.decorators import register
+from django.contrib.admin.filters import (
+    AllValuesFieldListFilter, BooleanFieldListFilter, ChoicesFieldListFilter,
+    DateFieldListFilter, FieldListFilter, ListFilter, RelatedFieldListFilter,
+    RelatedOnlyFieldListFilter, SimpleListFilter,
+)
 from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
-from django.contrib.admin.options import (HORIZONTAL, VERTICAL,
-    ModelAdmin, StackedInline, TabularInline)
-from django.contrib.admin.filters import (ListFilter, SimpleListFilter,
-    FieldListFilter, BooleanFieldListFilter, RelatedFieldListFilter,
-    ChoicesFieldListFilter, DateFieldListFilter, AllValuesFieldListFilter,
-    RelatedOnlyFieldListFilter)
+from django.contrib.admin.options import (
+    HORIZONTAL, VERTICAL, ModelAdmin, StackedInline, TabularInline,
+)
 from django.contrib.admin.sites import AdminSite, site
 from django.utils.module_loading import autodiscover_modules
 
diff --git a/django/contrib/auth/management/__init__.py b/django/contrib/auth/management/__init__.py
index a8b69f66d5..6380d2f0c3 100644
--- a/django/contrib/auth/management/__init__.py
+++ b/django/contrib/auth/management/__init__.py
@@ -11,8 +11,8 @@ from django.contrib.auth import get_permission_codename
 from django.core import exceptions
 from django.core.management.base import CommandError
 from django.db import DEFAULT_DB_ALIAS, router
-from django.utils.encoding import DEFAULT_LOCALE_ENCODING
 from django.utils import six
+from django.utils.encoding import DEFAULT_LOCALE_ENCODING
 
 
 def _get_all_permissions(opts, ctype):
diff --git a/django/contrib/gis/admin/__init__.py b/django/contrib/gis/admin/__init__.py
index 79e51e4303..32d7bf9ab4 100644
--- a/django/contrib/gis/admin/__init__.py
+++ b/django/contrib/gis/admin/__init__.py
@@ -1,9 +1,7 @@
-# Getting the normal admin routines, classes, and `site` instance.
 from django.contrib.admin import (
-    autodiscover, site, AdminSite, ModelAdmin, StackedInline, TabularInline,
-    HORIZONTAL, VERTICAL,
+    HORIZONTAL, VERTICAL, AdminSite, ModelAdmin, StackedInline, TabularInline,
+    autodiscover, site,
 )
-# Geographic admin options classes and widgets.
 from django.contrib.gis.admin.options import GeoModelAdmin, OSMGeoAdmin
 from django.contrib.gis.admin.widgets import OpenLayersWidget
 
diff --git a/django/contrib/gis/db/models/__init__.py b/django/contrib/gis/db/models/__init__.py
index bbba20dca8..c2025b05a1 100644
--- a/django/contrib/gis/db/models/__init__.py
+++ b/django/contrib/gis/db/models/__init__.py
@@ -1,14 +1,8 @@
-# Want to get everything from the 'normal' models package.
-from django.db.models import *  # NOQA
-
-# Geographic aggregate functions
+from django.db.models import *  # NOQA isort:skip
 from django.contrib.gis.db.models.aggregates import *  # NOQA
-
-# The GeoManager
-from django.contrib.gis.db.models.manager import GeoManager  # NOQA
-
-# The geographic-enabled fields.
 from django.contrib.gis.db.models.fields import (  # NOQA
-    GeometryField, PointField, LineStringField, PolygonField,
-    MultiPointField, MultiLineStringField, MultiPolygonField,
-    GeometryCollectionField, RasterField)
+    GeometryCollectionField, GeometryField, LineStringField,
+    MultiLineStringField, MultiPointField, MultiPolygonField, PointField,
+    PolygonField, RasterField,
+)
+from django.contrib.gis.db.models.manager import GeoManager  # NOQA
diff --git a/django/contrib/gis/db/models/sql/__init__.py b/django/contrib/gis/db/models/sql/__init__.py
index a00e6ba38e..d2a4f703e8 100644
--- a/django/contrib/gis/db/models/sql/__init__.py
+++ b/django/contrib/gis/db/models/sql/__init__.py
@@ -1,4 +1,6 @@
-from django.contrib.gis.db.models.sql.conversion import AreaField, DistanceField, GeomField, GMLField
+from django.contrib.gis.db.models.sql.conversion import (
+    AreaField, DistanceField, GeomField, GMLField,
+)
 
 __all__ = [
     'AreaField', 'DistanceField', 'GeomField', 'GMLField'
diff --git a/django/contrib/gis/forms/__init__.py b/django/contrib/gis/forms/__init__.py
index b689d6076c..237cbace8d 100644
--- a/django/contrib/gis/forms/__init__.py
+++ b/django/contrib/gis/forms/__init__.py
@@ -1,5 +1,8 @@
 from django.forms import *  # NOQA
-from .fields import (GeometryField, GeometryCollectionField, PointField,  # NOQA
-    MultiPointField, LineStringField, MultiLineStringField, PolygonField,
-    MultiPolygonField)
+
+from .fields import (  # NOQA
+    GeometryCollectionField, GeometryField, LineStringField,
+    MultiLineStringField, MultiPointField, MultiPolygonField, PointField,
+    PolygonField,
+)
 from .widgets import BaseGeometryWidget, OpenLayersWidget, OSMWidget  # NOQA
diff --git a/django/contrib/gis/gdal/__init__.py b/django/contrib/gis/gdal/__init__.py
index d356a17f09..1dad9aa9ab 100644
--- a/django/contrib/gis/gdal/__init__.py
+++ b/django/contrib/gis/gdal/__init__.py
@@ -31,8 +31,9 @@
  to a non-existent file location (e.g., `GDAL_LIBRARY_PATH='/null/path'`;
  setting to None/False/'' will not work as a string must be given).
 """
-from django.contrib.gis.gdal.error import (check_err, GDALException,
-    OGRException, OGRIndexError, SRSException)  # NOQA
+from django.contrib.gis.gdal.error import (  # NOQA
+    GDALException, OGRException, OGRIndexError, SRSException, check_err,
+)
 from django.contrib.gis.gdal.geomtype import OGRGeomType  # NOQA
 
 __all__ = [
diff --git a/django/contrib/gis/geos/__init__.py b/django/contrib/gis/geos/__init__.py
index 3eed86f7b9..e8d70d07ad 100644
--- a/django/contrib/gis/geos/__init__.py
+++ b/django/contrib/gis/geos/__init__.py
@@ -2,13 +2,15 @@
 The GeoDjango GEOS module.  Please consult the GeoDjango documentation
 for more details: https://docs.djangoproject.com/en/dev/ref/contrib/gis/geos/
 """
-from .collections import GeometryCollection, MultiPoint, MultiLineString, MultiPolygon  # NOQA
+from .collections import (  # NOQA
+    GeometryCollection, MultiLineString, MultiPoint, MultiPolygon,
+)
 from .error import GEOSException, GEOSIndexError  # NOQA
 from .factory import fromfile, fromstr  # NOQA
-from .geometry import GEOSGeometry, wkt_regex, hex_regex  # NOQA
-from .io import WKTReader, WKTWriter, WKBReader, WKBWriter  # NOQA
+from .geometry import GEOSGeometry, hex_regex, wkt_regex  # NOQA
+from .io import WKBReader, WKBWriter, WKTReader, WKTWriter  # NOQA
 from .libgeos import geos_version, geos_version_info  # NOQA
-from .linestring import LineString, LinearRing  # NOQA
+from .linestring import LinearRing, LineString  # NOQA
 from .point import Point  # NOQA
 from .polygon import Polygon  # NOQA
 
diff --git a/django/contrib/gis/geos/prototypes/__init__.py b/django/contrib/gis/geos/prototypes/__init__.py
index 72c9d7a0c1..d2950d0d97 100644
--- a/django/contrib/gis/geos/prototypes/__init__.py
+++ b/django/contrib/gis/geos/prototypes/__init__.py
@@ -4,27 +4,21 @@
  via ctypes.
 """
 
-# Coordinate sequence routines.
-from django.contrib.gis.geos.prototypes.coordseq import (create_cs, get_cs,  # NOQA
-    cs_clone, cs_getordinate, cs_setordinate, cs_getx, cs_gety, cs_getz,
-    cs_setx, cs_sety, cs_setz, cs_getsize, cs_getdims)
-
-# Geometry routines.
-from django.contrib.gis.geos.prototypes.geom import (from_hex, from_wkb, from_wkt,  # NOQA
-    create_point, create_linestring, create_linearring, create_polygon, create_collection,
-    destroy_geom, get_extring, get_intring, get_nrings, get_geomn, geom_clone,
-    geos_normalize, geos_type, geos_typeid, geos_get_srid, geos_set_srid,
-    get_dims, get_num_coords, get_num_geoms,
-    to_hex, to_wkb, to_wkt)
-
-# Miscellaneous routines.
+from django.contrib.gis.geos.prototypes.coordseq import (  # NOQA
+    create_cs, cs_clone, cs_getdims, cs_getordinate, cs_getsize, cs_getx,
+    cs_gety, cs_getz, cs_setordinate, cs_setx, cs_sety, cs_setz, get_cs,
+)
+from django.contrib.gis.geos.prototypes.geom import (  # NOQA
+    create_collection, create_linearring, create_linestring, create_point,
+    create_polygon, destroy_geom, from_hex, from_wkb, from_wkt, geom_clone,
+    geos_get_srid, geos_normalize, geos_set_srid, geos_type, geos_typeid,
+    get_dims, get_extring, get_geomn, get_intring, get_nrings, get_num_coords,
+    get_num_geoms, to_hex, to_wkb, to_wkt,
+)
 from django.contrib.gis.geos.prototypes.misc import *  # NOQA
-
-# Predicates
-from django.contrib.gis.geos.prototypes.predicates import (geos_hasz, geos_isempty,  # NOQA
-    geos_isring, geos_issimple, geos_isvalid, geos_contains, geos_crosses,
-    geos_disjoint, geos_equals, geos_equalsexact, geos_intersects,
-    geos_overlaps, geos_relatepattern, geos_touches, geos_within)
-
-# Topology routines
+from django.contrib.gis.geos.prototypes.predicates import (  # NOQA
+    geos_contains, geos_crosses, geos_disjoint, geos_equals, geos_equalsexact,
+    geos_hasz, geos_intersects, geos_isempty, geos_isring, geos_issimple,
+    geos_isvalid, geos_overlaps, geos_relatepattern, geos_touches, geos_within,
+)
 from django.contrib.gis.geos.prototypes.topology import *  # NOQA
diff --git a/django/contrib/gis/maps/google/__init__.py b/django/contrib/gis/maps/google/__init__.py
index 3254892cb5..3de7366eff 100644
--- a/django/contrib/gis/maps/google/__init__.py
+++ b/django/contrib/gis/maps/google/__init__.py
@@ -58,7 +58,9 @@
       version.
 """
 from django.contrib.gis.maps.google.gmap import GoogleMap, GoogleMapSet
-from django.contrib.gis.maps.google.overlays import GEvent, GIcon, GMarker, GPolygon, GPolyline
+from django.contrib.gis.maps.google.overlays import (
+    GEvent, GIcon, GMarker, GPolygon, GPolyline,
+)
 from django.contrib.gis.maps.google.zoom import GoogleZoom
 
 __all__ = [
diff --git a/django/contrib/gis/utils/__init__.py b/django/contrib/gis/utils/__init__.py
index f6050e6b95..137cd08f92 100644
--- a/django/contrib/gis/utils/__init__.py
+++ b/django/contrib/gis/utils/__init__.py
@@ -1,8 +1,9 @@
 """
  This module contains useful utilities for GeoDjango.
 """
-# Importing the utilities that depend on GDAL, if available.
 from django.contrib.gis.gdal import HAS_GDAL
+from django.contrib.gis.utils.wkt import precision_wkt  # NOQA
+
 if HAS_GDAL:
     from django.contrib.gis.utils.ogrinfo import ogrinfo, sample  # NOQA
     from django.contrib.gis.utils.ogrinspect import mapping, ogrinspect  # NOQA
@@ -14,5 +15,3 @@ if HAS_GDAL:
         from django.contrib.gis.utils.layermapping import LayerMapping, LayerMapError  # NOQA
     except ImproperlyConfigured:
         pass
-
-from django.contrib.gis.utils.wkt import precision_wkt  # NOQA
diff --git a/django/contrib/sitemaps/__init__.py b/django/contrib/sitemaps/__init__.py
index 0fc646d36a..1b626cd984 100644
--- a/django/contrib/sitemaps/__init__.py
+++ b/django/contrib/sitemaps/__init__.py
@@ -1,12 +1,11 @@
 from django.apps import apps as django_apps
 from django.conf import settings
-from django.core import urlresolvers, paginator
+from django.core import paginator, urlresolvers
 from django.core.exceptions import ImproperlyConfigured
 from django.utils import translation
 from django.utils.six.moves.urllib.parse import urlencode
 from django.utils.six.moves.urllib.request import urlopen
 
-
 PING_URL = "http://www.google.com/webmasters/tools/ping"
 
 
diff --git a/django/contrib/webdesign/__init__.py b/django/contrib/webdesign/__init__.py
index eacf09612c..b8e6ba1e2a 100644
--- a/django/contrib/webdesign/__init__.py
+++ b/django/contrib/webdesign/__init__.py
@@ -2,6 +2,7 @@ import warnings
 
 from django.utils.deprecation import RemovedInDjango110Warning
 
+
 default_app_config = 'django.contrib.webdesign.apps.WebDesignConfig'
 
 warnings.warn(
diff --git a/django/core/cache/__init__.py b/django/core/cache/__init__.py
index e5296814a3..93a887a058 100644
--- a/django/core/cache/__init__.py
+++ b/django/core/cache/__init__.py
@@ -17,11 +17,11 @@ from threading import local
 from django.conf import settings
 from django.core import signals
 from django.core.cache.backends.base import (
-    InvalidCacheBackendError, CacheKeyWarning, BaseCache)
+    BaseCache, CacheKeyWarning, InvalidCacheBackendError,
+)
 from django.core.exceptions import ImproperlyConfigured
 from django.utils.module_loading import import_string
 
-
 __all__ = [
     'cache', 'DEFAULT_CACHE_ALIAS', 'InvalidCacheBackendError',
     'CacheKeyWarning', 'BaseCache',
diff --git a/django/core/checks/__init__.py b/django/core/checks/__init__.py
index b96b5ba4e4..0ad4682d49 100644
--- a/django/core/checks/__init__.py
+++ b/django/core/checks/__init__.py
@@ -1,17 +1,18 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from .messages import (CheckMessage,
-        Debug, Info, Warning, Error, Critical,
-        DEBUG, INFO, WARNING, ERROR, CRITICAL)
-from .registry import register, run_checks, tag_exists, Tags
+from .messages import (
+    CRITICAL, DEBUG, ERROR, INFO, WARNING, CheckMessage, Critical, Debug,
+    Error, Info, Warning,
+)
+from .registry import Tags, register, run_checks, tag_exists
 
 # Import these to force registration of checks
-import django.core.checks.model_checks  # NOQA
-import django.core.checks.security.base  # NOQA
-import django.core.checks.security.csrf  # NOQA
-import django.core.checks.security.sessions  # NOQA
-import django.core.checks.templates  # NOQA
+import django.core.checks.model_checks  # NOQA isort:skip
+import django.core.checks.security.base  # NOQA isort:skip
+import django.core.checks.security.csrf  # NOQA isort:skip
+import django.core.checks.security.sessions  # NOQA isort:skip
+import django.core.checks.templates  # NOQA isort:skip
 
 __all__ = [
     'CheckMessage',
diff --git a/django/core/mail/__init__.py b/django/core/mail/__init__.py
index cef9d1b87b..9fb3bdb42b 100644
--- a/django/core/mail/__init__.py
+++ b/django/core/mail/__init__.py
@@ -4,18 +4,17 @@ Tools for sending email.
 from __future__ import unicode_literals
 
 from django.conf import settings
-from django.utils.module_loading import import_string
-
-# Imported for backwards compatibility, and for the sake
+# Imported for backwards compatibility and for the sake
 # of a cleaner namespace. These symbols used to be in
 # django/core/mail.py before the introduction of email
 # backends and the subsequent reorganization (See #10355)
-from django.core.mail.utils import CachedDnsName, DNS_NAME
 from django.core.mail.message import (
-    EmailMessage, EmailMultiAlternatives,
-    SafeMIMEText, SafeMIMEMultipart,
-    DEFAULT_ATTACHMENT_MIME_TYPE, make_msgid,
-    BadHeaderError, forbid_multi_line_headers)
+    DEFAULT_ATTACHMENT_MIME_TYPE, BadHeaderError, EmailMessage,
+    EmailMultiAlternatives, SafeMIMEMultipart, SafeMIMEText,
+    forbid_multi_line_headers, make_msgid,
+)
+from django.core.mail.utils import DNS_NAME, CachedDnsName
+from django.utils.module_loading import import_string
 
 __all__ = [
     'CachedDnsName', 'DNS_NAME', 'EmailMessage', 'EmailMultiAlternatives',
diff --git a/django/core/management/__init__.py b/django/core/management/__init__.py
index e0333eb2e9..aa43a8a9ca 100644
--- a/django/core/management/__init__.py
+++ b/django/core/management/__init__.py
@@ -1,17 +1,18 @@
 from __future__ import unicode_literals
 
 import collections
-from importlib import import_module
 import os
 import pkgutil
 import sys
+from importlib import import_module
 
 import django
 from django.apps import apps
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
-from django.core.management.base import (BaseCommand, CommandError,
-    CommandParser, handle_default_options)
+from django.core.management.base import (
+    BaseCommand, CommandError, CommandParser, handle_default_options,
+)
 from django.core.management.color import color_style
 from django.utils import lru_cache, six
 from django.utils._os import npath, upath
diff --git a/django/core/serializers/__init__.py b/django/core/serializers/__init__.py
index 19216bdfa7..b3f23b223a 100644
--- a/django/core/serializers/__init__.py
+++ b/django/core/serializers/__init__.py
@@ -20,8 +20,8 @@ import importlib
 
 from django.apps import apps
 from django.conf import settings
-from django.utils import six
 from django.core.serializers.base import SerializerDoesNotExist
+from django.utils import six
 
 # Built-in serializers
 BUILTIN_SERIALIZERS = {
diff --git a/django/db/__init__.py b/django/db/__init__.py
index a98121b4f9..7b45dafdd0 100644
--- a/django/db/__init__.py
+++ b/django/db/__init__.py
@@ -1,9 +1,10 @@
 from django.core import signals
-from django.db.utils import (DEFAULT_DB_ALIAS, DJANGO_VERSION_PICKLE_KEY,
-    DataError, OperationalError, IntegrityError, InternalError, ProgrammingError,
-    NotSupportedError, DatabaseError, InterfaceError, Error, ConnectionHandler,
-    ConnectionRouter)
-
+from django.db.utils import (
+    DEFAULT_DB_ALIAS, DJANGO_VERSION_PICKLE_KEY, ConnectionHandler,
+    ConnectionRouter, DatabaseError, DataError, Error, IntegrityError,
+    InterfaceError, InternalError, NotSupportedError, OperationalError,
+    ProgrammingError,
+)
 
 __all__ = [
     'backend', 'connection', 'connections', 'router', 'DatabaseError',
diff --git a/django/db/migrations/operations/__init__.py b/django/db/migrations/operations/__init__.py
index 5e069ffb59..472b482eff 100644
--- a/django/db/migrations/operations/__init__.py
+++ b/django/db/migrations/operations/__init__.py
@@ -1,8 +1,10 @@
-from .models import (CreateModel, DeleteModel, AlterModelTable,
-    AlterUniqueTogether, AlterIndexTogether, RenameModel, AlterModelOptions,
-    AlterOrderWithRespectTo, AlterModelManagers)
-from .fields import AddField, RemoveField, AlterField, RenameField
-from .special import SeparateDatabaseAndState, RunSQL, RunPython
+from .fields import AddField, AlterField, RemoveField, RenameField
+from .models import (
+    AlterIndexTogether, AlterModelManagers, AlterModelOptions, AlterModelTable,
+    AlterOrderWithRespectTo, AlterUniqueTogether, CreateModel, DeleteModel,
+    RenameModel,
+)
+from .special import RunPython, RunSQL, SeparateDatabaseAndState
 
 __all__ = [
     'CreateModel', 'DeleteModel', 'AlterModelTable', 'AlterUniqueTogether',
diff --git a/django/db/models/__init__.py b/django/db/models/__init__.py
index 4d8ea38898..5d9e14ab46 100644
--- a/django/db/models/__init__.py
+++ b/django/db/models/__init__.py
@@ -1,24 +1,28 @@
 from functools import wraps
 
-from django.core.exceptions import ObjectDoesNotExist, ImproperlyConfigured  # NOQA
-from django.db.models.query import Q, QuerySet, Prefetch  # NOQA
-from django.db.models.expressions import (  # NOQA
-    Expression, ExpressionWrapper, F, Value, Func, Case, When,
-)
-from django.db.models.manager import Manager  # NOQA
-from django.db.models.base import Model  # NOQA
-from django.db.models.aggregates import *  # NOQA
-from django.db.models.fields import *  # NOQA
-from django.db.models.fields.subclassing import SubfieldBase        # NOQA
-from django.db.models.fields.files import FileField, ImageField  # NOQA
-from django.db.models.fields.related import (  # NOQA
-    ForeignKey, ForeignObject, OneToOneField, ManyToManyField,
-    ManyToOneRel, ManyToManyRel, OneToOneRel)
-from django.db.models.fields.proxy import OrderWrt  # NOQA
-from django.db.models.deletion import (  # NOQA
-    CASCADE, PROTECT, SET, SET_NULL, SET_DEFAULT, DO_NOTHING, ProtectedError)
-from django.db.models.lookups import Lookup, Transform  # NOQA
+from django.core.exceptions import ObjectDoesNotExist  # NOQA
 from django.db.models import signals  # NOQA
+from django.db.models.aggregates import *  # NOQA
+from django.db.models.deletion import (  # NOQA
+    CASCADE, DO_NOTHING, PROTECT, SET, SET_DEFAULT, SET_NULL, ProtectedError,
+)
+from django.db.models.expressions import (  # NOQA
+    F, Case, Expression, ExpressionWrapper, Func, Value, When,
+)
+from django.db.models.fields import *  # NOQA
+from django.db.models.fields.files import FileField, ImageField  # NOQA
+from django.db.models.fields.proxy import OrderWrt  # NOQA
+from django.db.models.fields.subclassing import SubfieldBase  # NOQA
+from django.db.models.lookups import Lookup, Transform  # NOQA
+from django.db.models.manager import Manager  # NOQA
+from django.db.models.query import Q, Prefetch, QuerySet  # NOQA
+
+# Imports that would create circular imports if sorted
+from django.db.models.base import Model  # NOQA isort:skip
+from django.db.models.fields.related import (  # NOQA isort:skip
+    ForeignKey, ForeignObject, OneToOneField, ManyToManyField,
+    ManyToOneRel, ManyToManyRel, OneToOneRel,
+)
 
 
 def permalink(func):
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index abea9258ad..5ae1aa3dc7 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -11,31 +11,34 @@ import warnings
 from base64 import b64decode, b64encode
 from functools import total_ordering
 
-from django.apps import apps
-from django.db import connection
-from django.db.models.lookups import default_lookups, RegisterLookupMixin, Transform, Lookup
-from django.db.models.query_utils import QueryWrapper
-from django.conf import settings
 from django import forms
-from django.core import exceptions, validators, checks
-from django.utils.datastructures import DictWrapper
-from django.utils.dateparse import parse_date, parse_datetime, parse_time, parse_duration
-from django.utils.duration import duration_string
-from django.utils.functional import cached_property, curry, Promise
-from django.utils.text import capfirst
-from django.utils import timezone
-from django.utils.deprecation import RemovedInDjango20Warning
-from django.utils.translation import ugettext_lazy as _
-from django.utils.encoding import (smart_text, force_text, force_bytes,
-    python_2_unicode_compatible)
-from django.utils.ipv6 import clean_ipv6_address
-from django.utils import six
-from django.utils.itercompat import is_iterable
-
+from django.apps import apps
+from django.conf import settings
+from django.core import checks, exceptions, validators
 # When the _meta object was formalized, this exception was moved to
 # django.core.exceptions. It is retained here for backwards compatibility
 # purposes.
 from django.core.exceptions import FieldDoesNotExist  # NOQA
+from django.db import connection
+from django.db.models.lookups import (
+    Lookup, RegisterLookupMixin, Transform, default_lookups,
+)
+from django.db.models.query_utils import QueryWrapper
+from django.utils import six, timezone
+from django.utils.datastructures import DictWrapper
+from django.utils.dateparse import (
+    parse_date, parse_datetime, parse_duration, parse_time,
+)
+from django.utils.deprecation import RemovedInDjango20Warning
+from django.utils.duration import duration_string
+from django.utils.encoding import (
+    force_bytes, force_text, python_2_unicode_compatible, smart_text,
+)
+from django.utils.functional import Promise, cached_property, curry
+from django.utils.ipv6 import clean_ipv6_address
+from django.utils.itercompat import is_iterable
+from django.utils.text import capfirst
+from django.utils.translation import ugettext_lazy as _
 
 # Avoid "TypeError: Item in ``from list'' not a string" -- unicode_literals
 # makes these strings unicode
diff --git a/django/db/models/sql/__init__.py b/django/db/models/sql/__init__.py
index d1898bab6e..80c12584fd 100644
--- a/django/db/models/sql/__init__.py
+++ b/django/db/models/sql/__init__.py
@@ -1,7 +1,6 @@
 from django.db.models.sql.datastructures import EmptyResultSet
-from django.db.models.sql.subqueries import *  # NOQA
 from django.db.models.sql.query import *  # NOQA
+from django.db.models.sql.subqueries import *  # NOQA
 from django.db.models.sql.where import AND, OR
 
-
 __all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']
diff --git a/django/http/__init__.py b/django/http/__init__.py
index 6f433b39b8..254446ce99 100644
--- a/django/http/__init__.py
+++ b/django/http/__init__.py
@@ -1,12 +1,14 @@
 from django.http.cookie import SimpleCookie, parse_cookie
-from django.http.request import (HttpRequest, QueryDict,
-    RawPostDataException, UnreadablePostError, build_request_repr)
+from django.http.request import (
+    HttpRequest, QueryDict, RawPostDataException, UnreadablePostError,
+    build_request_repr,
+)
 from django.http.response import (
-    HttpResponse, StreamingHttpResponse, FileResponse,
-    HttpResponseRedirect, HttpResponsePermanentRedirect,
-    HttpResponseNotModified, HttpResponseBadRequest, HttpResponseForbidden,
-    HttpResponseNotFound, HttpResponseNotAllowed, HttpResponseGone,
-    HttpResponseServerError, Http404, BadHeaderError, JsonResponse,
+    BadHeaderError, FileResponse, Http404, HttpResponse,
+    HttpResponseBadRequest, HttpResponseForbidden, HttpResponseGone,
+    HttpResponseNotAllowed, HttpResponseNotFound, HttpResponseNotModified,
+    HttpResponsePermanentRedirect, HttpResponseRedirect,
+    HttpResponseServerError, JsonResponse, StreamingHttpResponse,
 )
 from django.http.utils import conditional_content_removal
 
diff --git a/django/template/__init__.py b/django/template/__init__.py
index 7ca21a188f..63b3d7ba4d 100644
--- a/django/template/__init__.py
+++ b/django/template/__init__.py
@@ -42,10 +42,8 @@ Shared:
 # Multiple Template Engines
 
 from .engine import Engine
-
 from .utils import EngineHandler
 
-
 engines = EngineHandler()
 
 __all__ = ('Engine', 'engines')
@@ -54,19 +52,20 @@ __all__ = ('Engine', 'engines')
 # Django Template Language
 
 # Public exceptions
-from .base import VariableDoesNotExist                                  # NOQA
-from .context import ContextPopException                                # NOQA
-from .exceptions import TemplateDoesNotExist, TemplateSyntaxError       # NOQA
+from .base import VariableDoesNotExist                                  # NOQA isort:skip
+from .context import ContextPopException                                # NOQA isort:skip
+from .exceptions import TemplateDoesNotExist, TemplateSyntaxError       # NOQA isort:skip
 
 # Template parts
-from .base import (Context, Node, NodeList, Origin, RequestContext,     # NOQA
-                   Template, Variable)
+from .base import (                                                     # NOQA isort:skip
+    Context, Node, NodeList, Origin, RequestContext, Template, Variable,
+)
 
 # Deprecated in Django 1.8, will be removed in Django 1.10.
-from .base import resolve_variable                                      # NOQA
+from .base import resolve_variable                                      # NOQA isort:skip
 
 # Library management
-from .library import Library                                            # NOQA
+from .library import Library                                            # NOQA isort:skip
 
 
 __all__ += ('Template', 'Context', 'RequestContext')
diff --git a/django/test/__init__.py b/django/test/__init__.py
index 884b1c5ee3..7ba1e7f282 100644
--- a/django/test/__init__.py
+++ b/django/test/__init__.py
@@ -4,12 +4,13 @@ Django Unit Test and Doctest framework.
 
 from django.test.client import Client, RequestFactory
 from django.test.testcases import (
-    TestCase, TransactionTestCase,
-    SimpleTestCase, LiveServerTestCase, skipIfDBFeature,
-    skipUnlessAnyDBFeature, skipUnlessDBFeature
+    LiveServerTestCase, SimpleTestCase, TestCase, TransactionTestCase,
+    skipIfDBFeature, skipUnlessAnyDBFeature, skipUnlessDBFeature,
+)
+from django.test.utils import (
+    ignore_warnings, modify_settings, override_settings,
+    override_system_checks,
 )
-from django.test.utils import (ignore_warnings, modify_settings,
-    override_settings, override_system_checks)
 
 __all__ = [
     'Client', 'RequestFactory', 'TestCase', 'TransactionTestCase',
diff --git a/django/utils/translation/__init__.py b/django/utils/translation/__init__.py
index 506fcce7dd..246936e403 100644
--- a/django/utils/translation/__init__.py
+++ b/django/utils/translation/__init__.py
@@ -2,12 +2,13 @@
 Internationalization support.
 """
 from __future__ import unicode_literals
+
 import re
+
+from django.utils import six
 from django.utils.decorators import ContextDecorator
 from django.utils.encoding import force_text
 from django.utils.functional import lazy
-from django.utils import six
-
 
 __all__ = [
     'activate', 'deactivate', 'override', 'deactivate_all',
diff --git a/django/views/generic/__init__.py b/django/views/generic/__init__.py
index d0dbd53256..bc32403fc7 100644
--- a/django/views/generic/__init__.py
+++ b/django/views/generic/__init__.py
@@ -1,12 +1,14 @@
-from django.views.generic.base import View, TemplateView, RedirectView
-from django.views.generic.dates import (ArchiveIndexView, YearArchiveView, MonthArchiveView,
-                                     WeekArchiveView, DayArchiveView, TodayArchiveView,
-                                     DateDetailView)
+from django.views.generic.base import RedirectView, TemplateView, View
+from django.views.generic.dates import (
+    ArchiveIndexView, DateDetailView, DayArchiveView, MonthArchiveView,
+    TodayArchiveView, WeekArchiveView, YearArchiveView,
+)
 from django.views.generic.detail import DetailView
-from django.views.generic.edit import FormView, CreateView, UpdateView, DeleteView
+from django.views.generic.edit import (
+    CreateView, DeleteView, FormView, UpdateView,
+)
 from django.views.generic.list import ListView
 
-
 __all__ = [
     'View', 'TemplateView', 'RedirectView', 'ArchiveIndexView',
     'YearArchiveView', 'MonthArchiveView', 'WeekArchiveView', 'DayArchiveView',
diff --git a/setup.cfg b/setup.cfg
index 365dc627b9..64b31f97d5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,6 +13,7 @@ default_section = THIRDPARTY
 include_trailing_comma = true
 known_first_party = django
 multi_line_output = 5
+not_skip = __init__.py
 
 [metadata]
 license-file = LICENSE
diff --git a/tests/auth_tests/models/__init__.py b/tests/auth_tests/models/__init__.py
index 72afdf2358..ec6b6099db 100644
--- a/tests/auth_tests/models/__init__.py
+++ b/tests/auth_tests/models/__init__.py
@@ -1,11 +1,11 @@
 from .custom_permissions import CustomPermissionsUser
-from .is_active import IsActiveTestUser1
 from .invalid_models import (
-    CustomUserNonUniqueUsername, CustomUserNonListRequiredFields,
-    CustomUserBadRequiredFields,
+    CustomUserBadRequiredFields, CustomUserNonListRequiredFields,
+    CustomUserNonUniqueUsername,
 )
-from .with_foreign_key import CustomUserWithFK, Email
+from .is_active import IsActiveTestUser1
 from .uuid_pk import UUIDUser
+from .with_foreign_key import CustomUserWithFK, Email
 
 __all__ = (
     'CustomPermissionsUser', 'CustomUserNonUniqueUsername',