We should change Mujoco env to [Pybullet-gym](https://github.com/benelot/pybullet-gym) env because Mujoco license is expired. Pybullet-gym has a lot of continuous action environments include reacher, half-cheetah.
We should change Mujoco env to Pybullet-gym env because Mujoco license is expired.
Pybullet-gym has a lot of continuous action environments include reacher, half-cheetah.