code: def main(unused_argv):
      print("Saving output to %s." % FLAGS.logdir)
      run_all(FLAGS.logdir, FLAGS.steps, 51, verbose=True)
      print("Done. Output saved to %s." % FLAGS.logdir)
  
file_path: tensorboard/tensorboard/plugins/pr_curve/pr_curve_demo.py
imports: import os.path
  from absl import app
  from absl import flags
  import tensorflow
  from tensorboard.plugins.pr_curve import summary
label_desc: Use image node_id 3 for calling a global function with example usage: main(unused_argv) without return types