code: def __init__(self):
      # Tell numpy to only use one core. If we don't do this, each actor may
      # try to use all of the cores and the resulting contention may result
      # in no speedup over the serial version. Note that if numpy is using
      # OpenBLAS, then you need to set OPENBLAS_NUM_THREADS=1, and you
      # probably need to do it from the command line (so it happens before
      # numpy is imported).
      os.environ["MKL_NUM_THREADS"] = "1"
      self.env = gym.make("Pong-v0")
  
file_path: BigDL/python/orca/example/ray_on_spark/rl_pong/rl_pong.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import os
  import time
  import gym
  import numpy
  import ray
  from bigdl.orca import init_orca_context, stop_orca_context
  from bigdl.orca import OrcaContext
label_desc: Use image node_id 1 to create a new PongEnv object from inherited base classes: object with example: obj = PongEnv()