code: def __get_wbfmt_format_txt(self, data_nt):
          
          format_txt_val = getattr(data_nt, "format_txt")
          if format_txt_val == 1:
              return self.fmtname2wbfmtobj.get("very light grey")
          if format_txt_val == 2:
              return self.fmtname2wbfmtobj.get("light grey")
          return self.fmtname2wbfmtobj.get(format_txt_val)
docs: Return format for text cell from namedtuple field, 'format_txt'.