ObservationTransform¶ class torchrl.envs.transforms.ObservationTransform(in_keys: Sequence[NestedKey] | None = None, out_keys: Sequence[NestedKey] | None = None, in_keys_inv: Sequence[NestedKey] | None = None, out_keys_inv: Sequence[NestedKey] | None = None)[原始碼]¶ 用於轉換觀測值的抽象類。