这是我用来加载工作簿的代码：
import openpyxl
from sys import argv
genreUri = argv[1]
genre = openpyxl.load_workbook(genreUri)
上面的代码抛出此错误。
Traceback (most recent call last):
File "/Users/Chaudhary/projects/genre/backend/utils/openpyxl/cell.py", line 26, in <module>
genre = openpyxl.load_workbook(genreUri)
File "/usr/local/lib/python2.7/site-packages/openpyxl/reader/excel.py", line 251, in load_workbook
ws_parser.parse()
File "/usr/local/lib/python2.7/site-packages/openpyxl/reader/worksheet.py", line 130, in parse
dispatcher[tag_name](element)
File "/usr/local/lib/python2.7/site-packages/openpyxl/reader/worksheet.py", line 304, in parse_sheet_protection
self.ws.protection = SheetProtection.from_tree(element)
File "/usr/local/lib/python2.7/site-packages/openpyxl/descriptors/serialisable.py", line 100, in from_tree
return cls(**attrib)
TypeError: __init__() got an unexpected keyword argument 'undefined'