KeyError: 'low_quality'

[Halleyawoo]

您好，感谢您出色的工作。我再读取alan数据集csv文件的时候，出现了这个错误：Traceback (most recent call last):
File "/home/ywchang/NeAR-main/repairing/near_repairing/near_repair.py", line 147, in
train_dataset = AlanDataset(root=data_path, resolution=cfg["target_resolution"], n_samples=cfg["n_training_samples"])
File "/home/ywchang/NeAR-main/repairing/near_repairing/../../near/datasets/refine_dataset.py", line 19, in init
info = df[df['low_quality'].isnull()]
File "/home/ywchang/.local/lib/python3.8/site-packages/pandas/core/frame.py", line 3761, in getitem
indexer = self.columns.get_loc(key)
File "/home/ywchang/.local/lib/python3.8/site-packages/pandas/core/indexes/base.py", line 3655, in get_loc
raise KeyError(key) from err
KeyError: 'low_quality'
这个csv文件中没有low_quality这一列，请问是怎么回事呢？期待您的回答，感谢！