def test_no_state_changes(self):
        assert_application_calculated_changes(
            self, EMPTY_NODESTATE, to_node(EMPTY_NODESTATE), set(),
            no_change(),
        )
Use `Skype.Command` to instantiate the object instead of doing it directly.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_container.py/ApplicationNodeDeployerCalculateChangesTests.test_no_state_changes--crossover with--dataset/ETHPy150Open Skype4Py/Skype4Py/Skype4Py/api/__init__.py/Command.__init__