IndexError: list index out of range

[Crush1111]

using data from ['block_1']
[]
0
Traceback (most recent call last):
File "/home/songjiali/LandMark/app/trainer.py", line 664, in
train(init_args)
File "/home/songjiali/LandMark/app/trainer.py", line 106, in train
train_dataset, test_dataset = prep_dataset(enable_lpips, args)
File "/home/songjiali/LandMark/app/tools/train_utils.py", line 162, in prep_dataset
test_dataset = dataset(
File "/home/songjiali/LandMark/app/tools/dataloader/city_dataset.py", line 30, in init
self.read_meta()
File "/home/songjiali/LandMark/app/tools/dataloader/city_dataset.py", line 36, in read_meta
meta = load_json_drone_data(
File "/home/songjiali/LandMark/app/tools/dataloader/ray_utils.py", line 145, in load_json_drone_data
poses = np.stack([np.array(frame["transform_matrix"]) for frame in meta["frames"]])
File "<array_function internals>", line 200, in stack
File "/home/songjiali/anaconda3/envs/landmark/lib/python3.9/site-packages/numpy/core/shape_base.py", line 466, in stack
print(arrays[0].ndim)
IndexError: list index out of range