EnvHub: fetch assets from LightwheelAI/leisaac_env into repo root

envs/bi_so101_clean_toytable_2objects.py

@@ -19,11 +19,15 @@ def make_env(n_envs: int = 1, use_async_envs: bool = False):
         ManagerBasedRLEnv or DirectRLEnv inherit from gym.Env implemented in IsaacLab
     """
 
-    # download assets from huggingface first
-    snapshot_download(repo_id="LightwheelAI/leisaac_env", revision=None, cache_dir=None)
-
-    # set environment variable for leisaac asset
-    assets_root = Path(__file__).parent.parent / "assets"
+    # Scene/robot assets live on the upstream Hub repo; materialize them next to this script so
+    # thin forks (e.g. kd-forge/leisaac_env with only envs/*.py) still resolve LEISAAC_ASSETS_ROOT.
+    repo_root = Path(__file__).resolve().parent.parent
+    assets_root = repo_root / "assets"
+    snapshot_download(
+        repo_id="LightwheelAI/leisaac_env",
+        local_dir=str(repo_root),
+        allow_patterns=["assets/**"],
+    )
     os.environ["LEISAAC_ASSETS_ROOT"] = str(assets_root)
 
     from isaaclab.app import AppLauncher