code: def unscale_action(action_space, scaled_action):
      """
      Rescale the action from [-1, 1] to [low, high]
      (no need for symmetric action space)
  
      :param action_space: (gym.spaces.box.Box)
      :param action: (np.ndarray)
      :return: (np.ndarray)
      """
      low, high = action_space.low, action_space.high
      return low + (0.5 * (scaled_action + 1.0) * (high - low))
  
file_path: stable-baselines/stable_baselines/common/math_util.py
imports: import numpy
  import scipy.signal
label_desc: Use image node_id 9 for calling a global function with example usage: unscale_action(action_space, scaled_action) and returns: unknown