act Model - phospho Training Pipeline

Error Traceback

We faced an issue while training your model.

Training process failed with exit code 1:
return self.transform(batch)
File "/lerobot/lerobot/common/datasets/utils.py", line 272, in hf_transform_to_torch
items_dict[key] = [x if isinstance(x, str) else torch.tensor(x) for x in items_dict[key]]
File "/lerobot/lerobot/common/datasets/utils.py", line 272, in <listcomp>
items_dict[key] = [x if isinstance(x, str) else torch.tensor(x) for x in items_dict[key]]
RuntimeError: Could not infer dtype of NoneType

[1;34mwandb[0m:
[1;34mwandb[0m: 🚀 View run [33mact[0m at: [34mhttps://wandb.ai/lawyiyang08-null/phospho-ACT/runs/4alaer7z[0m
[1;34mwandb[0m: Find logs at: [1;35m../data/phospho-app/yyyy76514263-ACT-data_first_13_07-g8wsr/1752340250.588072/wandb/run-20250712_191105-4alaer7z/logs[0m

Training parameters:

Dataset: yyyy76514263/data_first_13_07
Wandb run URL: None
Epochs: None
Batch size: 60
Training steps: 8000

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