fix broken master regarding pep8 number of blank lines

lms/djangoapps/instructor/tests/views/test_instructor_dashboard.py

@@ -15,6 +15,7 @@ from shoppingcart.models import PaidCourseRegistration
 from course_modes.models import CourseMode
 from student.roles import CourseFinanceAdminRole
 
+
 class TestInstructorDashboard(ModuleStoreTestCase, LoginEnrollmentTestCase):
     """
     Tests for the instructor dashboard (not legacy).
@@ -77,7 +78,6 @@ class TestInstructorDashboard(ModuleStoreTestCase, LoginEnrollmentTestCase):
         response = self.client.get(self.url)
         self.assertTrue('{currency}{amount}'.format(currency='Rs', amount=total_amount) in response.content)
 
-
     @patch.dict(settings.FEATURES, {'DISPLAY_ANALYTICS_ENROLLMENTS': False})
     @override_settings(ANALYTICS_DASHBOARD_URL='')
     def test_no_enrollments(self):

lms/djangoapps/shoppingcart/tests/test_views.py

@@ -157,7 +157,6 @@ class ShoppingCartViewsTests(ModuleStoreTestCase):
         self.assertEqual(context['currency'], 'usd')
         self.assertEqual(context['currency_symbol'], '$')
 
-
         data = {'company_name': 'Test Company', 'company_contact_name': 'JohnDoe',
                 'company_contact_email': 'john@est.com', 'recipient_name': 'Mocker',
                 'recipient_email': 'mock@germ.com', 'company_address_line_1': 'DC Street # 1',