title: EXCEL application window not closing on workbook.close()
body: <p>When I open a workbook using</p>
  
  <pre class="lang-py prettyprint-override"><code>wbTest = xlwings.Book('test.xlsm')
  </code></pre>
  
  <p>the EXCEL application opens and shows the workbook. But when doing a</p>
  
  <pre class="lang-py prettyprint-override"><code>wbTest.close()
  </code></pre>
  
  <p>afterwards, the workbook closes, but the EXCEL window stays open so that I have to close it manually, even though <code>xlwings.apps</code> returns an empty list:</p>
  
  <p><img src="https://i.stack.imgur.com/Mk5ez.jpg" alt="EXCEL window still open"></p>
  
  <p><strong>Is there a way to close the EXCEL window as soon as the last workbook closes?</strong></p>
  
  <p>In the official documentation (readthedocs) I could not find anything solving this question, so far.</p>