Fix barkour path.

PiperOrigin-RevId: 641093437
Change-Id: I92b8193c8458461e1a1f80b1e4c099067ed2099a

mjx/tutorial.ipynb

@@ -909,6 +909,9 @@
    "source": [
     "#@title Barkour vb Quadruped Env\n",
     "\n",
+    "BARKOUR_ROOT_PATH = epath.Path('mujoco_menagerie/google_barkour_vb')\n",
+    "\n",
+    "\n",
     "def get_config():\n",
     "  \"\"\"Returns reward config for barkour quadruped environment.\"\"\"\n",
     "\n",
@@ -979,8 +982,7 @@
     "      scene_file: str = 'scene_mjx.xml',\n",
     "      **kwargs,\n",
     "  ):\n",
-    "# path = epath.Path('mujoco_menagerie/google_barkour_vb')\n",
-    "    path = path / scene_file\n",
+    "    path = BARKOUR_ROOT_PATH / scene_file\n",
     "    sys = mjcf.load(path.as_posix())\n",
     "    self._dt = 0.02  # this environment is 50 fps\n",
     "    sys = sys.tree_replace({'opt.timestep': 0.004})\n",