code: def main():
      op_util.init_logging()
      globals()["log"] = logging.getLogger("guild")
      args = _init_args()
      state = State(args.stage, args.project_dir)
      _handle_stage(state)
  
imports: import argparse
  import logging
  import os
  import subprocess
  import yaml
  from guild import op_util
  from guild import run
  from guild import run_manifest
  from guild import summary
  from guild import util
  from .None import dvc_util
label_desc: Use image node_id 4 for calling a global function with example usage: main() without return types