you can get it using the following code:
assets_root_path = get_assets_root_path()
asset_path = assets_root_path + “/Isaac/Robots/Denso/cobotta_pro_900.usd”
replacing the script line 14
asset_path = “/home/user_name/cobotta_pro_900/cobotta_pro_900/cobotta_pro_900.usd”
it will be automatically downloaded