load_workbook fails when loading excel file with blue style fill in cells. How do I fix the error? Click post to see error.

missyneon

Steph Mojekwu

Posted on May 16, 2023

load_workbook fails when loading excel file with blue style fill in cells. How do I fix the error? Click post to see error.

I wrote a python script to load an excel file with blue style fill in the excel sheet (blue color background in cells) and the load_workbook function keeps failing with the error below:

wb = load_workbook(excel file)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\reader\excel.py", line 346, in load_workbook
    reader.read()
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\reader\excel.py", line 299, in read
    apply_stylesheet(self.archive, self.wb)
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\styles\stylesheet.py", line 198, in apply_stylesheet
    stylesheet = Stylesheet.from_tree(node)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\styles\stylesheet.py", line 103, in from_tree
    return super(Stylesheet, cls).from_tree(node)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\descriptors\serialisable.py", line 103, in from_tree
    return cls(**attrib)
           ^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\styles\stylesheet.py", line 74, in __init__
    self.fills = fills
    ^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\descriptors\sequence.py", line 27, in __set__
    seq = self.container(_convert(self.expected_type, value) for value in seq)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\descriptors\sequence.py", line 27, in <genexpr>
    seq = self.container(_convert(self.expected_type, value) for value in seq)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\<username>\AppData\Local\Programs\Python\Python311\Lib\site-packages\openpyxl\descriptors\base.py", line 61, in _convert
    raise TypeError('expected ' + str(expected_type))
TypeError: expected <class 'openpyxl.styles.fills.Fill'>

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How do I fix this error using python? Thank you!

💖 💪 🙅 🚩
missyneon
Steph Mojekwu

Posted on May 16, 2023

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