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)

用于观测（observations）变换的抽象类。