old_contents: from pipcreate.pipcreate import main
  
  import sys
  
  argv = sys.argv
  main(argv[1])
  
new_contents: from pipcreate.pipcreate import main
  
  import sys
  
  argv = sys.argv
  if len(argv)>=2:
      main(argv[1])
  else:
      main()
  
subject: handle no aruments