formDataRequest.js

const users = [
  {
    your: "json"
  }
]


var Readable = require('stream').Readable

var s = new Readable()
s.push(JSON.stringify(users))
s.push(null)
s.path = 'data.json'

const rp = require('request-promise')

rp({
  method: 'POST',
  uri: 'URL',
  formData: {
    some: 'DATA',
    file: s
  }
}).then(res => {
  console.log(res)
}).catch(err => {
  console.error(err)
})

I get this error i am using this snippet with react js client code. Any ideas