code: def step(self, action):
      self.i += 1
      done = truncated = self.i > 1000
      return self.zeros, 1, done, truncated, {}
  
file_path: ray/rllib/examples/env/fast_image_env.py
imports: import gymnasium
  from gymnasium.spaces import Box, Discrete
  import numpy
label_desc: Use image node_id 3 for calling the FastImageEnv obj's underlying member method code with example usage: obj.step(action) and returns: self,  int,  done,  truncated,  dict