code: def __init__(self, render_mode="single_rgb_array"):
      self.action_space = spaces.Box(
          shape=(1,), low=-1, high=1, dtype=np.float32
      )
      self.render_mode = render_mode
  
file_path: gym/tests/wrappers/test_pixel_observation.py
imports: from typing import Optional
  import numpy
  import pytest
  import gym
  from gym import spaces
  from gym.wrappers.pixel_observation import STATE_KEY, PixelObservationWrapper
label_desc: Use image node_id 1 to create a new FakeEnvironment object from inherited base classes: gym with example: obj = FakeEnvironment(render_mode)