2 files changed, 4 insertions, 0 deletions
diff --git a/tests/model_forms/models.py b/tests/model_forms/models.py
index 17aec29055..37c3b37864 100644
--- a/tests/model_forms/models.py
+++ b/tests/model_forms/models.py
@@ -211,6 +211,7 @@ class DerivedBook(Book, BookXtra):
 class ExplicitPK(models.Model):
     key = models.CharField(max_length=20, primary_key=True)
     desc = models.CharField(max_length=20, blank=True, unique=True)
+
     class Meta:
         unique_together = ('key', 'desc')
 
diff --git a/tests/model_forms/tests.py b/tests/model_forms/tests.py
index 5388ec99d0..0ca96166bc 100644
--- a/tests/model_forms/tests.py
+++ b/tests/model_forms/tests.py
@@ -26,6 +26,7 @@ from .models import (Article, ArticleStatus, BetterWriter, BigInt, Book,
 
 if test_images:
     from .models import ImageFile, OptionalImageFile
+
     class ImageFileForm(forms.ModelForm):
         class Meta:
             model = ImageFile
@@ -208,6 +209,7 @@ class ModelFormWithMedia(forms.ModelForm):
         css = {
             'all': ('/some/form/css',)
         }
+
     class Meta:
         model = TextFile
         fields = '__all__'
@@ -1722,6 +1724,7 @@ class OldFormForXTests(TestCase):
 
         class CategoryForm(forms.ModelForm):
             description = forms.CharField()
+
             class Meta:
                 model = Category
                 fields = ['description', 'url']