wrapped in parentheses

lib/file.js

@@ -1,12 +1,12 @@
-const eos = require('end-of-stream')
 const {EventEmitter} = require('events')
-const FileStream = require('./file-stream')
+const {PassThrough} = require('readable-stream')
+const eos = require('end-of-stream')
 const path = require('path')
 const render = require('render-media')
-const stream = require('readable-stream')
 const streamToBlob = require('stream-to-blob')
 const streamToBlobURL = require('stream-to-blob-url')
 const streamToBuffer = require('stream-with-known-length-to-buffer')
+const FileStream = require('./file-stream')
 
 class File extends EventEmitter {
   constructor (torrent, file) {
@@ -40,7 +40,7 @@ class File extends EventEmitter {
     for (let index = this._startPiece; index <= this._endPiece; ++index) {
       if (this._torrent.bitfield.get(index)) {
         // verified data
-        downloaded += index === this._endPiece ? this._torrent.lastPieceLength : this._torrent.pieceLength
+        downloaded += (index === this._endPiece) ? this._torrent.lastPieceLength : this._torrent.pieceLength
       } else {
         // "in progress" data
         const piece = this._torrent.pieces[index]
@@ -66,7 +66,7 @@ class File extends EventEmitter {
 
   createReadStream (opts) {
     if (this.length === 0) {
-      const empty = new stream.PassThrough()
+      const empty = new PassThrough()
       process.nextTick(() => {
         empty.end()
       })