old_contents: from gymnasium.envs.mujoco.mujoco_env import MujocoEnv, MuJocoPyEnv  # isort:skip
  from gymnasium.envs.mujoco.mujoco_rendering import (  # isort:skip
      RenderContextOffscreen,
      Viewer,
  )
  
  # ^^^^^ so that user gets the correct error
  # message if mujoco is not installed correctly
  from gymnasium.envs.mujoco.ant import AntEnv
  from gymnasium.envs.mujoco.half_cheetah import HalfCheetahEnv
  from gymnasium.envs.mujoco.hopper import HopperEnv
  from gymnasium.envs.mujoco.humanoid import HumanoidEnv
  from gymnasium.envs.mujoco.humanoidstandup import HumanoidStandupEnv
  from gymnasium.envs.mujoco.inverted_double_pendulum import InvertedDoublePendulumEnv
  from gymnasium.envs.mujoco.inverted_pendulum import InvertedPendulumEnv
  from gymnasium.envs.mujoco.pusher import PusherEnv
  from gymnasium.envs.mujoco.reacher import ReacherEnv
  from gymnasium.envs.mujoco.swimmer import SwimmerEnv
  from gymnasium.envs.mujoco.walker2d import Walker2dEnv
  
new_contents: from gymnasium.envs.mujoco.mujoco_env import MujocoEnv, MuJocoPyEnv  # isort:skip
  
  # ^^^^^ so that user gets the correct error
  # message if mujoco is not installed correctly
  from gymnasium.envs.mujoco.ant import AntEnv
  from gymnasium.envs.mujoco.half_cheetah import HalfCheetahEnv
  from gymnasium.envs.mujoco.hopper import HopperEnv
  from gymnasium.envs.mujoco.humanoid import HumanoidEnv
  from gymnasium.envs.mujoco.humanoidstandup import HumanoidStandupEnv
  from gymnasium.envs.mujoco.inverted_double_pendulum import InvertedDoublePendulumEnv
  from gymnasium.envs.mujoco.inverted_pendulum import InvertedPendulumEnv
  from gymnasium.envs.mujoco.pusher import PusherEnv
  from gymnasium.envs.mujoco.reacher import ReacherEnv
  from gymnasium.envs.mujoco.swimmer import SwimmerEnv
  from gymnasium.envs.mujoco.walker2d import Walker2dEnv
  
subject: Remove Mujoco rendering import (#115)