class_docstr: Benchmark return tests for PPO Schulman17.
docstr: Setup the test by making sure gin config is clear.
docstr_tok: ["Setup","the","test","by","making","sure","gin","config","is","clear","."]
code: def _tearDown(self):
      """Setup the test by making sure gin config is clear."""
      gin.clear_config()
  
file_path: agents/tf_agents/benchmark/ppo_benchmark.py
imports: import os
  import time
  import gin
  import tensorflow
  from tf_agents.benchmark import utils
  from tf_agents.benchmark.perfzero_benchmark import PerfZeroBenchmark
  from tf_agents.examples.ppo.schulman17 import ppo_clip_train_eval
label_desc: Use image node_id 2 for calling the PpoSchulman17Return obj's underlying member method code with example usage: obj._tearDown() without return types