old_contents: #!/usr/bin/env python
  import os
  import sys
  import json
  
  from .utils import setting
  
  
  os.system('echo \'%s\' | nc localhost %s' % (
      json.dumps(sys.argv[1:]), setting.get('port')))
  
new_contents: #!/usr/bin/env python
  import os
  import sys
  
  from utils import setting
  
  
  os.system('echo \'%s\' | nc localhost %s' % (
      ' '.join(sys.argv[1:]), setting.get('port')))
  
subject: update cli.py