ValueError：值必须是{＆＃39; doubleAccounting＆＃39;，＆＃39; double＆＃39;，＆＃39; singleAccounting＆＃39;，＆＃39; single＆＃39;}之一

Question

编写以下代码后，我收到以下错误。在理解为什么设计用于EXCEL的openpyxl无法打开基本excel文件时，将不胜感激。预先感谢您的帮助。

import openpyxl
from openpyxl import workbook
from openpyxl import load_workbook

wb = load_workbook(file_name, read_only= True)

ValueError                                Traceback (most recent call last)
<ipython-input-7-9ebd7e3bdd2c> in <module>()
      4 
      5 
----> 6 wb = load_workbook(file_name, read_only= True)

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\reader\excel.py in load_workbook(filename, read_only, keep_vba, data_only, guess_types, keep_links)
    199         wb.loaded_theme = archive.read(ARC_THEME)
    200 
--> 201     apply_stylesheet(archive, wb) # bind styles to workbook
    202 
    203     # get worksheets

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\styles\stylesheet.py in apply_stylesheet(archive, wb)
    171         return wb
    172     node = fromstring(src)
--> 173     stylesheet = Stylesheet.from_tree(node)
    174 
    175     wb._cell_styles = stylesheet.cell_styles

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\styles\stylesheet.py in from_tree(cls, node)
     97         for k in attrs:
     98             del node.attrib[k]
---> 99         return super(Stylesheet, cls).from_tree(node)
    100 
    101 

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\serialisable.py in from_tree(cls, node)
     70             if hasattr(desc, 'from_tree'):
     71                 #descriptor manages conversion
---> 72                 obj = desc.from_tree(el)
     73             else:
     74                 if hasattr(desc.expected_type, "from_tree"):

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\sequence.py in from_tree(self, node)
     84 
     85     def from_tree(self, node):
---> 86         return [self.expected_type.from_tree(el) for el in node]

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\sequence.py in <listcomp>(.0)
     84 
     85     def from_tree(self, node):
---> 86         return [self.expected_type.from_tree(el) for el in node]

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\serialisable.py in from_tree(cls, node)
     87                 attrib[tag] = obj
     88 
---> 89         return cls(**attrib)
     90 
     91 

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\styles\fonts.py in __init__(self, name, sz, b, i, charset, u, strike, color, scheme, family, size, bold, italic, strikethrough, underline, vertAlign, outline, shadow, condense, extend)
     85         if underline is not None:
     86             u = underline
---> 87         self.u = u
     88         if strikethrough is not None:
     89             strike = strikethrough

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\nested.py in __set__(self, instance, value)
     34 
     35             value = self.from_tree(value)
---> 36         super(Nested, self).__set__(instance, value)
     37 
     38 

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\base.py in __set__(self, instance, value)
    143         if value == 'none':
    144             value = None
--> 145         super(NoneSet, self).__set__(instance, value)
    146 
    147 

C:\Users\Gaston\Anaconda3\lib\site-packages\openpyxl\descriptors\base.py in __set__(self, instance, value)
    128     def __set__(self, instance, value):
    129         if value not in self.values:
--> 130             raise ValueError(self.__doc__)
    131         super(Set, self).__set__(instance, value)
    132 

ValueError: Value must be one of {'single', 'double', 'singleAccounting', 'doubleAccounting'}

我尝试取出read_only部分等。错误与Excel样式有关。我使用的是Excel 2016，文件类型是xlxs。