docs: def _get_indicators_for_report_page_generator(self, report_id, start_page=0, page_size=None):
          """
          Creates a generator from the |get_indicators_for_report_page| method that returns each successive page.
  
          :param str report_id: The ID of the report to get indicators for.
          :param int start_page: The page to start on.
          :param int page_size: The size of each page.
          :return: The generator.
          """
  
          get_page = functools.partial(self.get_indicators_for_report_page, report_id=report_id)
          return Page.get_page_generator(get_page, start_page, page_size)