text: let {PythonShell} = require('./index')
  
  let pyshell = new PythonShell('test/python/exit-code.py')
  pyshell.on('close', ()=>{
      console.log('closed')
  })
  PythonShell.runString("print('a')", null, function(err, output){
      console.log(output)
  });