4 files changed, 29 insertions, 29 deletions
diff --git a/tests/model_fields/models.py b/tests/model_fields/models.py
index 9a6a3f1f36..ee2f807146 100644
--- a/tests/model_fields/models.py
+++ b/tests/model_fields/models.py
@@ -2,21 +2,23 @@ import os
 import tempfile
 import uuid
 
-try:
-    from PIL import Image
-except ImportError:
-    Image = None
-
-from django.core.files.storage import FileSystemStorage
-from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
+from django.contrib.contenttypes.fields import (
+    GenericForeignKey, GenericRelation,
+)
 from django.contrib.contenttypes.models import ContentType
+from django.core.files.storage import FileSystemStorage
+from django.db import models
+from django.db.models.fields.files import ImageField, ImageFieldFile
 from django.db.models.fields.related import (
-    ForeignObject, ForeignKey, ManyToManyField, OneToOneField,
+    ForeignKey, ForeignObject, ManyToManyField, OneToOneField,
 )
-from django.db import models
-from django.db.models.fields.files import ImageFieldFile, ImageField
 from django.utils import six
 
+try:
+    from PIL import Image
+except ImportError:
+    Image = None
+
 
 class Foo(models.Model):
     a = models.CharField(max_length=10)
diff --git a/tests/model_fields/test_field_flags.py b/tests/model_fields/test_field_flags.py
index 08a57db501..3749e55452 100644
--- a/tests/model_fields/test_field_flags.py
+++ b/tests/model_fields/test_field_flags.py
@@ -1,17 +1,15 @@
 from django import test
-
 from django.contrib.contenttypes.fields import (
     GenericForeignKey, GenericRelation,
 )
 from django.db import models
 from django.db.models.fields.related import (
-    ForeignObject, ForeignKey, OneToOneField, ManyToManyField,
-    ManyToOneRel, ForeignObjectRel,
+    ForeignKey, ForeignObject, ForeignObjectRel, ManyToManyField, ManyToOneRel,
+    OneToOneField,
 )
 
 from .models import AllFieldsModel
 
-
 NON_CONCRETE_FIELDS = (
     ForeignObject,
     GenericForeignKey,
diff --git a/tests/model_fields/test_uuid.py b/tests/model_fields/test_uuid.py
index d2ffe71a3a..4680d5dbb4 100644
--- a/tests/model_fields/test_uuid.py
+++ b/tests/model_fields/test_uuid.py
@@ -5,7 +5,7 @@ from django.core import exceptions, serializers
 from django.db import models
 from django.test import TestCase
 
-from .models import UUIDModel, NullableUUIDModel, PrimaryKeyUUIDModel
+from .models import NullableUUIDModel, PrimaryKeyUUIDModel, UUIDModel
 
 
 class TestSaveLoad(TestCase):
diff --git a/tests/model_fields/tests.py b/tests/model_fields/tests.py
index 5c8c8109d1..8894ef9158 100644
--- a/tests/model_fields/tests.py
+++ b/tests/model_fields/tests.py
@@ -1,22 +1,21 @@
 from __future__ import unicode_literals
 
 import datetime
-from decimal import Decimal
 import unittest
+from decimal import Decimal
 
-from django import test
-from django import forms
-from django.core import validators
-from django.core import checks
+from django import forms, test
+from django.core import checks, validators
 from django.core.exceptions import ValidationError
-from django.db import connection, transaction, models, IntegrityError
+from django.db import IntegrityError, connection, models, transaction
 from django.db.models.fields import (
-    AutoField, BigIntegerField, BinaryField, BooleanField, CharField,
-    CommaSeparatedIntegerField, DateField, DateTimeField, DecimalField,
-    EmailField, FilePathField, FloatField, IntegerField, IPAddressField,
-    GenericIPAddressField, NOT_PROVIDED, NullBooleanField, PositiveIntegerField,
+    NOT_PROVIDED, AutoField, BigIntegerField, BinaryField, BooleanField,
+    CharField, CommaSeparatedIntegerField, DateField, DateTimeField,
+    DecimalField, EmailField, FilePathField, FloatField, GenericIPAddressField,
+    IntegerField, IPAddressField, NullBooleanField, PositiveIntegerField,
     PositiveSmallIntegerField, SlugField, SmallIntegerField, TextField,
-    TimeField, URLField)
+    TimeField, URLField,
+)
 from django.db.models.fields.files import FileField, ImageField
 from django.utils import six
 from django.utils.functional import lazy
@@ -24,9 +23,10 @@ from django.utils.functional import lazy
 from .models import (
     Bar, BigD, BigIntegerModel, BigS, BooleanModel, DataModel, DateTimeModel,
     Document, FksToBooleans, FkToChar, FloatModel, Foo, GenericIPAddress,
-    IntegerModel, NullBooleanModel, PositiveIntegerModel, PositiveSmallIntegerModel,
-    Post, PrimaryKeyCharModel, RenamedField, SmallIntegerModel, VerboseNameField,
-    Whiz, WhizIter, WhizIterEmpty)
+    IntegerModel, NullBooleanModel, PositiveIntegerModel,
+    PositiveSmallIntegerModel, Post, PrimaryKeyCharModel, RenamedField,
+    SmallIntegerModel, VerboseNameField, Whiz, WhizIter, WhizIterEmpty,
+)
 
 
 class BasicFieldTests(test.TestCase):