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."""