R.X.

Results 2 issues of R.X.

![image](https://github.com/stanfordnlp/dspy/assets/48504366/a1d22ed8-1f6c-45be-bd85-6a9449c9efc0) ![image](https://github.com/stanfordnlp/dspy/assets/48504366/f5ff917d-993f-4c38-9043-700fe2597274) ![image](https://github.com/stanfordnlp/dspy/assets/48504366/1db90ad5-ad77-43e2-90a4-8f938b9d9757)

solve maml_image_classification problem #46