code: def reset_model(self):
      c = 0.01
      self.set_state(
          self.init_qpos
          + self.np_random.uniform(low=-c, high=c, size=self.model.nq),
          self.init_qvel
          + self.np_random.uniform(
              low=-c,
              high=c,
              size=self.model.nv,
          ),
      )
      return self._get_obs()
  
file_path: gym/gym/envs/mujoco/humanoid.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 4 for calling the HumanoidEnv obj's underlying member method code with example usage: obj.reset_model() and returns: self