diff --git a/lerobot/common/datasets/factory.py b/lerobot/common/datasets/factory.py index ecb28e26..07afb614 100644 --- a/lerobot/common/datasets/factory.py +++ b/lerobot/common/datasets/factory.py @@ -62,7 +62,7 @@ def make_dataset( stats = torch.load(precomputed_stats_path) else: logging.info(f"compute_stats and save to {precomputed_stats_path}") - # instantiate a one frame dataset with light transform + # Create a dataset for stats computation. stats_dataset = clsfunc( dataset_id=cfg.dataset_id, split="train", @@ -70,7 +70,8 @@ def make_dataset( transform=Prod(in_keys=clsfunc.image_keys, prod=1 / 255.0), ) stats = compute_stats(stats_dataset) - torch.save(stats, stats_path) + precomputed_stats_path.parent.mkdir(parents=True, exist_ok=True) + torch.save(stats, precomputed_stats_path) else: stats = torch.load(stats_path)