code: def make_format(self, fmt, width):
          
          if not self.report_data:
              return
          
          for data_item in self.report_data:
              if data_item.results:
                  if fmt is None or fmt == 'text':
                      data_item.make_text(width)
                  elif fmt == 'html':
                      data_item.make_html()
                  elif fmt == 'csv':
                      data_item.make_csv()
docs: Make subreport text in a specified format