Fixed #28893 -- Removed unnecessary dict.items() calls.

tests/backends/postgresql/test_creation.py

@@ -33,7 +33,7 @@ class DatabaseCreationTests(SimpleTestCase):
         try:
             yield
         finally:
-            for name, value in kwargs.items():
+            for name in kwargs:
                 if name in saved_values:
                     settings[name] = saved_values[name]
                 else:

tests/backends/postgresql/test_server_side_cursors.py

@@ -27,7 +27,7 @@ class ServerSideCursorsPostgres(TestCase):
 
     @contextmanager
     def override_db_setting(self, **kwargs):
-        for setting, value in kwargs.items():
+        for setting in kwargs:
             original_value = connection.settings_dict.get(setting)
             if setting in connection.settings_dict:
                 self.addCleanup(operator.setitem, connection.settings_dict, setting, original_value)