action_tokenizer/tokenizer_metadata.json

{
  "impl": "fast",
  "action_mode": "libero_joint",
  "vocab_size": 256,
  "tokens_per_action": 1,
  "normalization": {
    "expects_normalized_actions": false
  },
  "action_dim": 7,
  "group_slices": [
    [
      0,
      7
    ]
  ],
  "max_fit_samples": 250000,
  "kmeans_iters": 25,
  "fast": {
    "fast_model_id": "physical-intelligence/fast",
    "use_fast_backend": true,
    "enable_fit": true,
    "backend_available": false,
    "backend_error": "No module named 'fast'"
  }
}