AttributeError: 'SequenceDataset' object has no attribute '_hdf5_file'

[TousakaNagio]

Exception ignored in: <function SequenceDataset.del at 0x7f6ed46b2a70>
Traceback (most recent call last):
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/dataset.py", line 307, in del
self.close_and_delete_hdf5_handle()
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/dataset.py", line 291, in close_and_delete_hdf5_handle
if self._hdf5_file is not None:
AttributeError: 'SequenceDataset' object has no attribute '_hdf5_file'
run failed with error:
expected str, bytes or os.PathLike object, not list

Traceback (most recent call last):
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/scripts/train.py", line 483, in main
train(config, device=device, eval_only=args.eval_only)
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/scripts/train.py", line 187, in train
trainset, validset = TrainUtils.load_data_for_training(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 137, in load_data_for_training
train_dataset = dataset_factory(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 197, in dataset_factory
dataset = get_dataset(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 231, in get_dataset
ds_list.append(ds_class(**ds_kwargs_copy))
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/dataset.py", line 105, in init
self.hdf5_path = os.path.expanduser(hdf5_path)
File "/home/shinji106/miniconda3/envs/robocasa/lib/python3.10/posixpath.py", line 232, in expanduser
path = os.fspath(path)
TypeError: expected str, bytes or os.PathLike object, not list

I run into several issues when I am trying to run the training script of bc_transformer on robocasa. How can I solve these issues?

[TousakaNagio]

The title error occurs due to the error of TypeError: expected str, bytes or os.PathLike object, not list.
I am still wondering why the generated training config contains a list of path to the dataset:

I am wondering why the generated config contains a list of paths.
If I replace it with a path, the second error occurs:

Traceback (most recent call last):
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/scripts/train.py", line 482, in main
train(config, device=device, eval_only=args.eval_only)
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/scripts/train.py", line 186, in train
trainset, validset = TrainUtils.load_data_for_training(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 137, in load_data_for_training
train_dataset = dataset_factory(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 197, in dataset_factory
dataset = get_dataset(
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/train_utils.py", line 231, in get_dataset
ds_list.append(ds_class(**ds_kwargs_copy))
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/dataset.py", line 145, in init
self.load_demo_info(filter_by_attribute=self.filter_by_attribute)
File "/home/shinji106/ntu/robocasa/robomimic/robomimic/utils/dataset.py", line 207, in load_demo_info
self.demos = [elem.decode("utf-8") for elem in np.array(self.hdf5_file["mask/{}".format(filter_by_attribute)][:])]
File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
File "/home/shinji106/miniconda3/envs/robocasa/lib/python3.10/site-packages/h5py/_hl/dataset.py", line 804, in getitem
mtype = h5t.py_create(new_dtype)
File "h5py/h5t.pyx", line 1669, in h5py.h5t.py_create
File "h5py/h5t.pyx", line 1693, in h5py.h5t.py_create
File "h5py/h5t.pyx", line 1731, in h5py.h5t.py_create
File "h5py/h5t.pyx", line 1544, in h5py.h5t._c_string
ValueError: Size must be positive (size must be positive)