code: def step(self, action):
      obs, reward, done, info = self.env.step(action)
      self.was_real_done = done
      # check current lives, make loss of life terminal,
      # then update lives to handle bonus lives
      lives = self.env.unwrapped.ale.lives()
      if lives < self.lives and lives > 0:
          # for Qbert sometimes we stay in lives == 0 condtion for a few fr
          # so its important to keep lives > 0, so that we only reset once
          # the environment advertises done.
          done = True
      self.lives = lives
      return obs, reward, done, info
  
imports: import time
  import numpy
  from collections import deque
  import gym
  from gym import spaces
  from parl.env.compat_wrappers import CompatWrapper, is_gym_version_ge, V_NPRANDOM_CHANGED
  import cv2
label_desc: Use image node_id 2 for calling the EpisodicLifeEnv obj's underlying member method code with example usage: obj.step(action) and returns: obs,  reward,  done,  info