code: def __init__(self, observation_space):
      self.observation_space = observation_space
  
file_path: gym/tests/wrappers/test_flatten.py
imports: from collections import OrderedDict
  from typing import Optional
  import numpy
  import pytest
  import gym
  from gym.spaces import Box, Dict, flatten, unflatten
  from gym.wrappers import FlattenObservation
label_desc: Use image node_id 1 to create a new FakeEnvironment object from inherited base classes: gym with example: obj = FakeEnvironment(observation_space)