title: Why am I suddenly getting a no attribute 'CLSIDToPackageMap' error with win32com.client?
body: <p>The code</p>
  <pre><code>import win32com.client as win32 
  Excel = win32.gencache.EnsureDispatch('Excel.Application') 
  </code></pre>
  <p>used to work, but now it produces the error:</p>
  <pre><code>AttributeError: 'module' object has no attribute 'CLSIDToPackageMap'
  </code></pre>
  <p>what's going on?</p>