-
-        # Start transaction management.
-        # SQLite will choke on generating thumbnails 
-        use_transaction = not connection.features.autocommits_when_autocommit_is_off
-        if use_transaction:
-            transaction.commit_unless_managed()
-            transaction.enter_transaction_management()
-            transaction.managed(True)
-        else:
-            print 'WARNING: Not using transaction management.'
-