code: def __init__(self, **kwargs):
      observation_space = Box(
          low=-np.inf, high=np.inf, shape=(376,), dtype=np.float64
      )
      MuJocoPyEnv.__init__(
          self,
          "humanoidstandup.xml",
          5,
          observation_space=observation_space,
          **kwargs,
      )
      utils.EzPickle.__init__(self, **kwargs)
  
file_path: gym/gym/envs/mujoco/humanoidstandup.py
imports: import numpy
  from gym import utils
  from gym.envs.mujoco import MuJocoPyEnv
  from gym.spaces import Box
label_desc: Use image node_id 1 to create a new HumanoidStandupEnv object from inherited base classes: MuJocoPyEnv, utils with example: obj = HumanoidStandupEnv()