code: def _upload_none(self, upload_info, check_result):
          
          return UploadResult(
              action=None,
              quickkey=check_result['duplicate_quickkey'],
              hash_=upload_info.hash_info.file,
              filename=upload_info.name,
              size=upload_info.size,
              created=None,
              revision=None
          )
docs: Dummy upload function for when we don't actually upload