from xlutils.xlutils import copy
from xlwt import xlwt
from xlrd import xlrd
wb = copy.copy(xlrd.open_workbook("/tmp/Formulario solicitud crédito.xls", formatting_info = True))
s = wb.get_sheet(0)
s
s.cols
s.write(2, 0, "TEST TEST TEST")
wb.save("/tmp/test.xls")