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)

用於觀測（observations）變換的抽象類。