def load_cells():
    p1 = os.path.join(testdir(), "POSCAR")
    c1 = aread(p1, format="vasp")
    p2 = os.path.join(testdir(), "POSCAR2")
    c2 = aread(p2, format="vasp")
    return (c1, c2)
By definition, an action is either a top-level task or takes place within
dataset/ETHPy150Open jabl/vasputil/vasputil/tests/test_supercell.py/load_cells--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_action.py/WrittenActionTests.test_different_task_uuid