title: python RegOpenKeyEx() HKEY_LOCAL_MACHINE not defined error
body: <p>I have been trying to manupulate registry key from python using the win32api module however
  when I run this three lines of code</p>
  
  <pre><code>import win32api
  import win32con
  
  reghandle = win32api.RegOpenKeyEx(HKEY_LOCAL_MACHINE,"SOFTWARE\\Google\\",0,       win32con.KEY_READ)
  </code></pre>
  
  <p>it gives me back the following error</p>
  
  <p>Traceback (most recent call last):
     File "C:\EclipseWorkspaces\csse120\MMS-auto\key.py", line 4, in 
     reghandle = win32api.RegOpenKeyEx(HKEY_LOCAL_MACHINE,"SOFTWARE\Google\",0,                    win32con.KEY_READ) 
     NameError: name 'HKEY_LOCAL_MACHINE' is not defined</p>
  
  <p>I've looked up the win32api documentation and I reckon I gave the functinon the right argument...
  Can anyone pleae help out or give me any hint?
  thanks in advance</p>