   zip.extractAllTo dest_path, true
   log "Extracting #{descript} finished"
 
-downloadExtractZipAsync = async (url, download_dir, filename, dest_path, description) ->
+downloadExtractZipAsync = async (url, download_dir, filename, dest_path,
+                                 description) ->
   while 1
-    try 
+    try
       zip_path = yield downloadAsync url, download_dir, filename, description
       extractZip zip_path, dest_path, description
     catch

    [response, body] = yield requestAsync
      url: url
      encoding: null
    yield fs.writeFileAsync dest_path, body
    log "Successfully downloaded to #{dest_path}"
  dest_path

path = require 'path-extra'
Promise = require 'bluebird'
request = Promise.promisifyAll require 'request'
requestAsync = Promise.promisify request, multiArgs: true
fs = Promise.promisifyAll require 'fs-extra'
gulp = require 'gulp'
AdmZip = require 'adm-zip'
