 
       log.debug python + ' ' + args.join(' ')
 
-      proc = execFile(python, args, (error, stdout, stderr) ->
+      proc = child_process.execFile(python, args, (error, stdout, stderr) ->
         if error?
           if stderr? and stderr != ''
             log.warn stderr

fs = require 'fs'
os = require 'os'
path = require 'path'
execFile = require('child_process').execFile
request = require 'request'
rimraf = require 'rimraf'
ini = require 'ini'

  pythonLocation((python) ->
    if python?
      args = [cliLocation(), '--version']
      child_process.execFile(python, args, (error, stdout, stderr) ->
        if not error?
          currentVersion = stderr.trim()
          log.debug 'Current wakatime-cli version is ' + currentVersion
