code: def run_main():
      """Initializes flags and calls main()."""
      main_lib.global_init()
      tensorboard = program.TensorBoard(plugins=default.get_plugins())
      try:
          app.run(tensorboard.main, flags_parser=tensorboard.configure)
      except base_plugin.FlagsError as e:
          print("Error: %s" % e, file=sys.stderr)
          sys.exit(1)
  
file_path: tensorboard/tensorboard/main.py
imports: import sys
  from absl import app
  from tensorboard import default
  from tensorboard import main_lib
  from tensorboard import program
  from tensorboard.plugins import base_plugin
  from tensorboard.util import tb_logging
label_desc: Use image node_id 1 for calling a global function with example usage: run_main() without return types