code: def main():
      tf.test.main()
  
file_path: agents/tf_agents/utils/test_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from absl import flags
  import gin
  import numpy
  import tensorflow
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types