class_docstr: Stochastically flicker frames.
class_docstr_tok: ["Stochastically","flicker","frames","."]
code: def __init__(self, env):
      gym.ObservationWrapper.__init__(self, env)
  
imports: from collections import deque
  import gym
  import numpy
  from gym import spaces
  from packaging import version
  import pfrl
label_desc: Use image node_id 1 to create a new FlickerFrame object from inherited base classes: gym with example: obj = FlickerFrame(env)