PEP fixes

InvenTree/common/models.py

@@ -643,6 +643,7 @@ class BaseInvenTreeSetting(models.Model):
     def protected(self):
         return self.__class__.is_protected(self.key)
 
+
 def settings_group_options():
     """
     Build up group tuple for settings based on your choices

InvenTree/common/tests.py

@@ -222,8 +222,8 @@ class UserSettingsApiTest(InvenTreeAPITestCase):
         Test list URL for user settings
         """
         url = reverse('api-user-setting-list')
-        # test setting with choice
-        response = self.get(url, expected_code=200)
+
+        self.get(url, expected_code=200)
 
     def test_user_setting_boolean(self):
         """