Fold Rows

Created originally on Bitbucket by alessandrocucci (Alessandro Cucci)

Was already merged in Bitbucket before import, marked as merged by the import user

Hello guys,

I need to get row folding for a report, but it seems it cannot be done (only hiding is possible at the moment). I make some small changes to get the work done, and since this can help other people I made a pull request. Thanks for all the work you’re doing!

Ref.

https://openpyxl.readthedocs.io/en/stable/usage.html#fold-columns-outline

https://stackoverflow.com/questions/27133731/folding-multiple-rows-with-openpyxl