Bug: Styling Merged Cells and Border - don't work
Strange behavior for Merged Cells when using Border - only 1 cell is drawn.
According to the documentation, the stylization of merged cells, Example 1, should draw borders across the entire merged cell - but only 1 cell is drawn.
I have to use the code from Example 2.
from openpyxl import Workbook
from openpyxl.styles import (Border, Side)
wb = Workbook()
curWS = wb.active
bd = Side(style='thin', color='000000')
border=Border(outline=bd, left=bd, top=bd, right=bd, bottom=bd, vertical=bd, horizontal=bd)
# Example 1
curWS.merge_cells(start_row=1, start_column=1, end_row=3, end_column=2)
curWS.cell(row=1, column=1, value='Test').border = border
# Example 2
curWS.merge_cells(start_row=4, start_column=1, end_row=4, end_column=3)
curWS.cell(row=4, column=1, value='Test2').border=border
curWS.cell(row=4, column=2).border=border
curWS.cell(row=4, column=3).border=border
wb.save('test1.xlsx')