From a470f26a4ba8e78ab9f5bc581a7866c35a366551 Mon Sep 17 00:00:00 2001
From: Abhishek Joshi <abhishekjoshinj@gmail.com>
Date: Tue, 30 Jul 2024 15:30:16 -0500
Subject: [PATCH] Reverting to Union for python 3.9

---
 python/mujoco/usd/shapes.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/python/mujoco/usd/shapes.py b/python/mujoco/usd/shapes.py
index 28b340f8..63592c60 100644
--- a/python/mujoco/usd/shapes.py
+++ b/python/mujoco/usd/shapes.py
@@ -14,7 +14,7 @@
 # ==============================================================================
 """Built-in shapes for USD exporter."""
 
-from typing import Dict, Any, Tuple, Optional
+from typing import Dict, Any, Tuple, Optional, Union
 
 import mujoco
 import numpy as np
@@ -270,7 +270,7 @@ def decouple_config(config: Dict[str, Any]):
 
 def mesh_config_generator(
     name: str,
-    geom_type: int | mujoco.mjtGeom,
+    geom_type: Union[int, mujoco.mjtGeom],
     size: np.ndarray,
     decouple: bool = False,
 ):