title: Unable to import pexpect "windows only" methods
body: <p>I have recently installed the pexpect 4.0 module, as it will be quite useful for the program I am creating. I do have windows, so I looked specifically at the exceptions for pexpect, knowing that the normal spawn and run methods aren't available to me. But, I cant get the "windows methods" that the module is supposed to show windows users, which are:</p>
  
  <p>pexpect.popen_spawn.PopenSpawn, and pexpect.fdpexpect.fdspawn.</p>
  
  <p>Does anyone have any idea how I can get these methods? I am running on windows 10, python 3.4.</p>
  
  <p>Side note: I am currently working on trying to get winpexpect to import the spawn module from pexpect, but I am also failing at that as well.</p>