code: def upload_model(self, path: str, meta: dict, force: bool) -> str:
          
          raise NotImplementedError
docs: Put the given file to the remote storage.
  
          :param path: Path to the model file.
          :param meta: Metadata of the model.
          :param force: Overwrite an existing model.
          :return: URL of the uploaded model.
          :raises BackendRequiredError: If supplied bucket is unusable.
          :raises ModelAlreadyExistsError: If model already exists and no forcing.