code: def diff_report(diff_results, config=None, html=True):
      
      if config is None:
          config = ReportConfiguration.load()
      report = DiffReport(diff_results=diff_results, configuration=config)
      if html:
          return report.render_html()
      else:
          return report.render_json()
docs: Generate a diff report from a result set and configuration.
  
      Parameters
      ----------
      diff_results : iterable of memote.MemoteResult
          Nested dictionary structure as returned from the test suite.
      config : dict, optional
          The final test report configuration (default None).
      html : bool, optional
          Whether to render the report as full HTML or JSON (default True).