def tearDown(self):
        """Restore environment variable DATACUBE_ROOT."""

        if self.save_dcr is None:
            if os.environ in 'DATACUBE_ROOT':
                del os.environ['DATACUBE_ROOT']
        else:
            os.environ['DATACUBE_ROOT'] = self.save_dcr
dataset/ETHPy150Open GeoscienceAustralia/agdc/tests/test_cube_util.py/TestGetDatacubeRoot.tearDown/swapped operands of `in`