Fix PEP8: W391 blank line at end of file

docs/en_us/enrollment_api/source/conf.py

@@ -70,5 +70,3 @@ exclude_patterns = ['build', 'links.rst']
 
 project = u'edX Enrollment API Version 1'
 copyright = u'2015, edX'
-
-

docs/en_us/platform_api/source/conf.py

@@ -83,5 +83,3 @@ project = u'edX Platform API Version 0.5 Alpha'
 copyright = u'2015, edX'
 
 exclude_patterns = ['build', 'links.rst']
-
-

openedx/core/djangoapps/user_api/tests/test_views.py

@@ -1599,4 +1599,3 @@ class UpdateEmailOptInTestCase(ApiTestCase, ModuleStoreTestCase):
         self.assertHttpBadRequest(response)
         with self.assertRaises(UserOrgTag.DoesNotExist):
             UserOrgTag.objects.get(user=self.user, org=self.course.id.org, key="email-optin")
-