old_contents: #!/usr/bin/env python2
  
  import argparse
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(description="HAProxy Marathon Service Router")
      parser.add_argument("--marathon_endpoints", "-m", required=True, nargs="+",
                          help="Marathon endpoint, eg. marathon1 marathon2:8080")
      parser.add_argument("--callback_url", "-c",
                          help="Marathon callback URL")
      args = parser.parse_args()
      print args
  
new_contents: #!/usr/bin/env python2
  
  import argparse
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(description="Marathon HAProxy Service Router")
      parser.add_argument("--marathon_endpoints", "-m", required=True, nargs="+",
                          help="Marathon endpoint, eg. marathon1 marathon2:8080")
      parser.add_argument("--callback_url", "-c",
                          help="Marathon callback URL")
      args = parser.parse_args()
      print args
  
subject: Adjust description