code: def filter_wo_labels(self, all_issues):
          
  
          issues_wo_labels = []
          if not self.options.add_issues_wo_labels:
              for issue in all_issues:
                  if not issue['labels']:
                      issues_wo_labels.append(issue)
          return issues_wo_labels
docs: Filter all issues that don't have a label.
  
          :rtype: list(dict)
          :return: Issues without labels.