Unrecognized attribute: constraint_timeconst

[PointsCoder]

It is the first time I used Genesis. I encountered an error below when running python examples/keyboard_teleop.py.

[Genesis] [17:59:32] [INFO] ╭─────────────────────────────────────────────────────────────────────────────────────╮
[Genesis] [17:59:32] [INFO] │┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉ Genesis ┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉┈┉│
[Genesis] [17:59:32] [INFO] ╰─────────────────────────────────────────────────────────────────────────────────────╯
[Genesis] [17:59:32] [INFO] Running on [13th Gen Intel(R) Core(TM) i9-13900KF] with backend gs.cpu. Device memory: 62.51 GB.
[Genesis] [17:59:32] [INFO] 🚀 Genesis initialized. 🔖 version: 0.2.1, 🌱 seed: 0, 📏 precision: '32', 🐛 debug: False, 🎨 theme: 'dark'.
Traceback (most recent call last):
  File "/home/jmao/project/Genesis/examples/keyboard_teleop.py", line 218, in <module>
    main()
  File "/home/jmao/project/Genesis/examples/keyboard_teleop.py", line 213, in main
    scene, entities = build_scene()
  File "/home/jmao/project/Genesis/examples/keyboard_teleop.py", line 60, in build_scene
    rigid_options=gs.options.RigidOptions(
  File "/home/jmao/anaconda3/envs/genesis/lib/python3.10/site-packages/genesis/options/solvers.py", line 211, in __init__
    super().__init__(**data)
  File "/home/jmao/anaconda3/envs/genesis/lib/python3.10/site-packages/genesis/options/options.py", line 27, in __init__
    gs.raise_exception(f"Unrecognized attribute: {key}")

[Genesis] [17:59:32] [ERROR] Unrecognized attribute: constraint_timeconst

Not sure what happened and how to solve this. Thanks

[duburcqa]

Your version of Genesis is too old. You should either install the latest version distributed on PyPI, or install from source using the README instructions.