title: ImportError: No module named win32timezone when i make a singleone exe from a python script with pyInstaller
body: <p>I have a script which works when is a <code>py</code> file, but when i use pyInstaller to make one single exe file from that script i will get an error : <code>ImportError: No module named win32timezone</code>.<br>
  I import in script:<br></p>
  
  <pre><code>import win32serviceutil
  import win32service
  import win32event
  </code></pre>
  
  <p>and some another modules like <code>subprocess, os, time</code> but i think that 3 are the problem.<br>
  Anybody know what is wrong? Thanks!</p>