new_contents: """
  Usage: python -m recipy example_script3.py OUTPUT.npy
  """
  
  from __future__ import print_function
  import sys
  
  import numpy
  
  if len(sys.argv) < 2:
      print(__doc__, file=sys.stderr)
      sys.exit(1)
  
  arr = numpy.arange(10)
  arr = arr + 500
  # We've made a fairly big change here!
  
  numpy.save(sys.argv[1], arr)
  
subject: Add example script for python -m recipy usage