pandas.errors.CSSWarning

exception pandas.errors.CSSWarning

Warning is raised when converting css styling fails.

This can be due to the styling not having an equivalent value or because the styling isn’t properly formatted.

Examples

>>> df = pd.DataFrame({'A': [1, 1, 1]})
>>> df.style.applymap(
...     lambda x: 'background-color: blueGreenRed;'
... ).to_excel('styled.xlsx')  
CSSWarning: Unhandled color format: 'blueGreenRed'
>>> df.style.applymap(
...     lambda x: 'border: 1px solid red red;'
... ).to_excel('styled.xlsx')  
CSSWarning: Unhandled color format: 'blueGreenRed'