not atomic batch

Raise code

        self.value = value
        self.atomic = torch.is_tensor(value)

    @property
    def tensor(self) -> Tensor:
        """Retrieves the underlying tensor."""
        if not self.atomic:
            raise AttributeError("not atomic batch")
        return cast(Tensor, self.value)

    @property
    def tensors(self) -> Tensors:
        """Retrieves the underlying tensors."""
        if self.atomic:
            raise AttributeError("batch is atomic")