Losing merged cells border while editing Excel file with openpyxl

Question

I have two sheets in an Excel file and the first one is a cover sheet which I don\'t need to edit. There are a few merged cells in the cover sheet, and when I edit the file usin

Answer 1

Simple method

1. Go to the folder C:\Python\Lib\site-packages\ openpyxl\worksheet folder\

2. Open worksheet.py file

3. In merge_cells function comment the following lines

   min_col, min_row, max_col, max_row = 
      range_boundaries(range_string)
   rows = range(min_row, max_row+1)
   cols = range(min_col, max_col+1)
   cells = product(rows, cols)
   
   all but the top-left cell are removed
   for c in islice(cells, 1, None):
       if c in self._cells:
           del self._cells[c]
   

4. Save it.

That's all , it works for me.