code: def main():
      file_path = os.path.join(
          os.path.dirname(__file__), "request_utils.py"
      )
      module_name = "mlflow.utils.request_utils"
  
      spec = importlib.util.spec_from_file_location(
          module_name, file_path
      )
      module = importlib.util.module_from_spec(spec)
      sys.modules[module_name] = module
      spec.loader.exec_module(module)
      download_chunk = module.download_chunk
  
      args = parse_args()
      download_chunk(
          range_start=args.range_start,
          range_end=args.range_end,
          headers=json.loads(args.headers),
          download_path=args.download_path,
          http_uri=args.http_uri,
      )
  
imports: import argparse
  import importlib.util
  import json
  import os
  import sys
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types