I cannot load my excel file though openpyxl
*Created originally on Bitbucket by [liam_park (박형렬)](https://bitbucket.org/%7Bf72c8093-f454-4a6f-b6eb-343f5786050c%7D/)* there. I cannot load my excel file though openpyxl. the file is 1,402KB. I tried to do New excel file. it can be opened. but my excel file show below error. ``` #!python D:\1.업무\Python\venv\Scripts\python.exe D:/1.업무/Python/AVDD.py Traceback (most recent call last): File "D:/1.업무/Python/AVDD.py", line 5, in <module> wb = load_workbook(filename) File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\reader\excel.py", line 312, in load_workbook reader.read() File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\reader\excel.py", line 273, in read apply_stylesheet(self.archive, self.wb) File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\styles\stylesheet.py", line 189, in apply_stylesheet stylesheet = Stylesheet.from_tree(node) File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\styles\stylesheet.py", line 103, in from_tree return super(Stylesheet, cls).from_tree(node) File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\descriptors\serialisable.py", line 104, in from_tree return cls(**attrib) File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\styles\stylesheet.py", line 93, in __init__ self._normalise_numbers() File "D:\1.업무\Python\venv\lib\site-packages\openpyxl\styles\stylesheet.py", line 166, in _normalise_numbers fmt = BUILTIN_FORMATS[style.numFmtId] KeyError: 56 ``` this is my code ``` #!python from openpyxl import load_workbook from openpyxl.drawing.image import Image filename="1.xlsx" wb = load_workbook(filename) print("done") ``` *Attachments:* [1.xlsx](/uploads/70884c354abcd62d58a9ebb870673add/1.xlsx)
issue