code: def upload_debug(self):
          
          if os.path.exists(self.log_fname):
              api = InternalApi()
              api.set_current_run_id(self.id)
              pusher = FilePusher(api)
              pusher.update_file("wandb-debug.log", self.log_fname)
              pusher.file_changed("wandb-debug.log", self.log_fname)
              pusher.finish()
docs: Uploads the debug log to cloud storage