title: Python openpyxl TypeError: __init__() got an unexpected keyword argument 'pivotButton'
body: <p>I get an error when trying to open the xlsx file (Excell 2010) with Python 3.4.3 &amp; openpyxl 2.2.0. Is there any workaround to tesolve this issue ot this is a bug?</p>
  
  <pre><code>import openpyxl
  wb = openpyxl.load_workbook(filename = 'C:/TEMP/tfile.xlsx')
  
  
  Traceback (most recent call last):
    File "C:\TEMP\py\pxl.py", line 3, in &lt;module&gt;
      wb = openpyxl.load_workbook(filename = 'C:/TEMP/tfile.xlsx')
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\excel.py", line 149, in load_workbook
      _load_workbook(wb, archive, filename, read_only, keep_vba)
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\excel.py", line 237, in _load_workbook
      keep_vba=keep_vba)
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\worksheet.py", line 324, in read_worksheet
      fast_parse(ws, xml_source, shared_strings, style_table, color_index)
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\worksheet.py", line 312, in fast_parse
      parser.parse()
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\worksheet.py", line 93, in parse
      dispatcher[tag_name](element)
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\worksheet.py", line 189, in parse_row_dimensions
      self.parse_cell(cell)
    File "C:\Python34\lib\site-packages\openpyxl-2.2.0-py3.4.egg\openpyxl\reader\worksheet.py", line 134, in parse_cell
      cell = Cell(self.ws, column, row, **style)
  TypeError: __init__() got an unexpected keyword argument 'pivotButton'
  </code></pre>
  
  <p>Regards, Sergey</p>