code: def __init__(self, low, high):
      self.action_space = gym.spaces.Box(low=low, high=high, shape=(3,))
      self._max_episode_steps = 1000
  
file_path: PARL/parl/env/tests/continuous_wrappers_test.py
imports: import gym
  import numpy
  import unittest
  from parl.env.continuous_wrappers import ActionMappingWrapper
label_desc: Use image node_id 1 to create a new MockEnv object from inherited base classes: gym with example: obj = MockEnv(low, high)