code: def get_default_section(self, file_name):
          
          if not os.path.isfile(file_name):
              return 'DEFAULT'
          parser = self.make_parser()
          with open(file_name) as fp:
              parser.read_file(fp)
          sections = parser.sections()
          section = sections[0] if len(sections) > 0 else 'DEFAULT'
          return section
docs: Returns first non-DEFAULT section; falls back to DEFAULT.