title: cannot create key nltk-py2.7 error when installing Python Natural Language Toolkit
body: <p>I'm trying to install the natural language toolkit on my Windows 8 machine with a 32bit Python 2.7 install</p>
  
  <p>I'm following instructions here: <a href="http://www.nltk.org/install.html" rel="nofollow">http://www.nltk.org/install.html</a></p>
  
  <p>At step 3 I get the following error: cannot create key nltk-py2.7</p>
  
  <p>Anyone know how I can fix this?</p>