code: def help_center_articles_labels_list(self, locale=None, **kwargs):
          "https://developer.zendesk.com/rest_api/docs/help_center/labels#list-all-labels"
          api_path = "/api/v2/help_center/articles/labels.json"
          if locale:
              api_opt_path = "/api/v2/help_center/{locale}/articles/labels.json"
              api_path = api_opt_path.format(locale=locale)
          return self.call(api_path, **kwargsf help_center_articles_labels_list(self, locale=None, **kwargs):
          "https://developer.zendesk.com/rest_api/docs/help_center/labels#list-all-labels"
          api_path = "/api/v2/help_center/articles/labels.json"
          if locale:
              api_opt_path = "/api/v2/help_center/{locale}/articles/labels.json"
              api_path = api_opt_path.format(locale=locale)
          return self.call(api_path, **kwargs)
docs: https://developer.zendesk.com/rest_api/docs/help_center/labels#list-all-labels