docs: def get_details(exc):
      """Get the details from the exception."""
      detail = None
      fields = collections.OrderedDict()
  
      if exc.detail:
          detail = exc.detail
  
      if exc.fields:
          for k, v in six.iteritems(exc.fields):
              try:
                  field_detail = v["detail"]
              except (TypeError, KeyError):
                  field_detail = v
  
              if isinstance(field_detail, (list, tuple)):
                  field_detail = " ".join(field_detail)
  
              if k == "non_field_errors":
                  if detail:
                      detail += " " + field_detail
                  else:
                      detail = field_detail
                  continue
  
              fields[k] = field_detail
  
      return detail, fields