code: def parse_args():
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "--scala-version",
          required=True,
          help="Update scala version in mlflow/java/spark 'pom.xml' file.",
          type=str,
      )
      return parser.parse_args()
  
imports: import argparse
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: parse_args() and returns: parser