Fixed some missing/extraneous new line warnings.

django/apps/config.py

@@ -128,7 +128,6 @@ class AppConfig(object):
         # Entry is a path to an app config class.
         return cls(app_name, app_module)
 
-
     def get_model(self, model_name):
         """
         Returns the model with the given case-insensitive model_name.

django/test/utils.py

@@ -528,7 +528,6 @@ requires_tz_support = skipUnless(TZ_SUPPORT,
         "time zone, but your operating system isn't able to do that.")
 
 
-
 @contextmanager
 def extend_sys_path(*paths):
     """Context manager to temporarily add paths to sys.path."""

tests/apps/namespace_package_base/nsapp/apps.py

@@ -3,6 +3,7 @@ import os
 from django.apps import AppConfig
 from django.utils._os import upath
 
+
 class NSAppConfig(AppConfig):
     name = 'nsapp'
     path = upath(os.path.dirname(__file__))

tests/apps/tests.py

@@ -201,7 +201,6 @@ class AppsTests(TestCase):
         self.assertEqual(new_apps.get_model("apps", "SouthPonies"), temp_model)
 
 
-
 @skipUnless(
     sys.version_info > (3, 3, 0),
     "Namespace packages sans __init__.py were added in Python 3.3")