code: def step(self, action):
      observation, reward, done, info = self.env.step(action)
      return self.observation(observation), reward, done, info
  
imports: import numpy
  from random import random
label_desc: Use image node_id 3 for calling the ObservationWrapper obj's underlying member method code with example usage: obj.step(action) and returns: self,  reward,  done,  info