CylinderTunnel and CylinderTunnelTransparent items not showing in the arena

[ibagur]

Hi,

I am actually using AnimalAI 3, but also installed AnimalAI 2 for testing purposes. When trying some of the arena configurations, like cylinder_task.yml, the CylinderTunnelTransparent does not show up in the setting. Same situation happens with the CylinderTunnel item. I have tried several testing configurations with other items (walls, boxes, etc.), and they all show up ok, but I cannot get the cylinders to appear in the arena (as a side note, they appear on Animal AI 3).

I am running animalai 2.0.0 on MacOS 11.6 over a python environment 3.7.9, mlagents 0.15.0, mlagents-envs 0.15.0

Thanks