title: Delete last sheet of excel using python - ERROR
body: <pre><code>from openpyxl import load_workbook
  file_workbook = 'archivo.xlsx'
  file_workbook2 = 'sample (TD).xlsx'
  wb = load_workbook(file_workbook)
  if 'BASE' in wb.sheetnames:
      wb.remove(wb['BASE'])
  wb.save(file_workbook2)
  </code></pre>
  <p><strong>ERROR</strong></p>
  <blockquote>
  <p>Unknown extension is not supported and will be removed warn(msg)
  UserWarning: Conditional Formatting extension is not supported and
  will be removed warn(msg)
  UserWarning: Slicer List extension is not supported and will be
  removed warn(msg)</p>
  </blockquote>
  <p><a href="https://i.stack.imgur.com/PfLCM.png" rel="nofollow noreferrer">imagen</a></p>