userstanding is now OneToOneField

common/djangoapps/student/tests/test_userstanding.py

@@ -57,6 +57,13 @@ class UserStandingTest(TestCase):
         # since it's only possible to disable accounts from lms, we're going
         # to skip tests for cms
 
+    @unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
+    def test_can_access_manage_account_page(self):
+        response = self.admin_client.get(reverse('manage_user_standing'), {
+            'user': self.admin,
+        })
+        self.assertEqual(response.status_code, 200)
+
     @unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
     def test_disable_account(self):
         self.assertEqual(

common/djangoapps/student/views.py

@@ -1346,7 +1346,7 @@ def manage_user_standing(request):
     headers = ['username', 'account_changed_by']
     rows = []
     for user in all_disabled_users:
-        row = [user.username, user.standing.all()[0].changed_by]
+        row = [user.username, user.standing.changed_by]
         rows.append(row)
 
     context = {'headers': headers, 'rows': rows}