pass stats

src/lerobot/policies/factory.py

@@ -433,6 +433,9 @@ def make_policy(
         cfg.input_features = {key: ft for key, ft in features.items() if key not in cfg.output_features}
     kwargs["config"] = cfg
     
+    # Pass dataset_stats to the policy if available (needed for some policies like SARM)
+    if ds_meta is not None and hasattr(ds_meta, 'stats'):
+        kwargs["dataset_stats"] = ds_meta.stats
 
     if cfg.pretrained_path:
         # Load a pretrained policy and override the config if needed (for example, if there are inference-time