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