def create_qcl(self, code, definition, explanation):
        qcl = QualityControlLevel()
        qcl.code = code
        qcl.definition = definition
        qcl.explanation = explanation

        self._edit_session.add(qcl)
        self._edit_session.commit()
        return qcl
Test the atoms_distance method.
dataset/ETHPy150Open ODM2/ODMToolsPython/odmtools/odmservices/series_service.py/SeriesService.create_qcl--crossover with--dataset/ETHPy150Open jabl/vasputil/vasputil/tests/test_supercell.py/CellTestCase.test_atoms_distance