code: def __clean_rouge_args(self, rouge_args):
          
          if not rouge_args:
              return
          quot_mark_pattern = re.compile('"(.+)"')
          match = quot_mark_pattern.match(rouge_args)
          if match:
              cleaned_args = match.group(1)
              return cleaned_args
          else:
              return rouge_args
docs: Remove enclosing quotation marks, if any.